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World Hot Pole: Basra (Iraq) Record: 58.8℃

World Cold Pole: The lowest record near the South Pole (Dongfang Station) is 89.2℃

The area with the largest annual temperature difference: Yogyakan and Oymyakam (annual temperature difference 107.7℃, Russia).

Minimum annual temperature difference: Quito (annual temperature difference 0.6℃, Ecuador)

World wet pole: waialeale (located in Hawaii, USA) has an average annual rainfall of 335 days, with annual precipitation of12244 mm.

World dry pole: The average annual precipitation in Atacama Desert (South America) is less than 0. 1mm, and there is no rain from 1845 to 1936.

World Rain Pole: Kilapangqi (India), annual precipitation 1084 1mm, annual precipitation 186 1, 20447mm.

The highest land point in the world: Mount Everest (8844. 43 meters above sea level).

The lowest land point in the world: Dead Sea (elevation -4 15m).

The mountain range with the highest average elevation and the most peaks in the world: Himalayas (there are more than 50 peaks above 7000m).

The highest peak of the structure from the bottom to the top: Monaque Asia (Hawaiian Island, 4205 meters above sea level, 5998 meters under the sea, total height 10203 meters).

The largest mountain and volcano on earth: Mauna Loa volcano (Hawaii Island, elevation 4 169 meters, volcanic volume 75,000 cubic kilometers).

The highest volcano and extinct volcano on the earth: Aconcagua Mountain (6960 meters above sea level, the highest peak in the southwest hemisphere).

The highest active volcano on earth: Ojos del salado volcano (6893 meters above sea level).

The highest mountain on the island: puncak jaya (New Guinea, 4884 meters above sea level).

The longest land mountain range: the Andes (7500 kilometers long)

The longest undersea mountain range: mid-ocean ridge (80,000 kilometers long).

Lowest volcano: Gexi volcano (Gexi volcano in Japan, 1 12m high).

Longest mountain system: Cordillera mountain system (654.38+500,000 km)

The largest crater: Mount Asu (perimeter100km, Japan).

Volcano with the most eruption times: Mount Etna (2 10, Italy).

The deepest and largest sinkhole: Xiaozhai sinkhole in Fengjie, Chongqing, China.

The longest rivers: Nile and Amazon are controversial. The Nile is recognized as the longest river in the world, with a total length of 6695 kilometers. However, recently, a research team composed of Brazil and Peru discovered the new source of the Amazon River after a long journey, which made the length of the Amazon River reach 6,800 kilometers, making it the longest river, but it caused controversy among experts.

The river with the largest water flow: Amazon River

The largest plateau: Brazil Plateau (Brazil)

The highest plateau: Qinghai-Tibet Plateau (China)

The largest lake: Caspian Sea.

The largest freshwater lake: Lake Superior.

The largest freshwater lake group: Five Dalian lakes (Lake Superior, Lake Michigan, Lake Huron, Lake Erie and Lake Ontario).

The deepest lake: Lake Baikal (Russia, with the most fresh water)

The largest plain: Amazon Plain (Brazil)

The largest basin: Congo basin (Africa)

The largest desert: Sahara Desert (Africa)

The largest peninsula: Arabian Peninsula (Asia)

The largest island: Greenland (North America)

Deepest trench: Mariana Trench (Pacific Ocean,-11.033m).

Lightest sea: Baltic Sea (Europe) (the salinity of seawater is only 7-8 ‰, and the salinity of each bay is even lower, only 2‰).

The saltiest sea: the Red Sea (the salinity in the north is 42‰, which is much higher than the world average salinity of 35‰).

The shallowest sea: Azov Sea (8 meters on average)

The largest sea: Coral Sea

The smallest sea: Marmarahi (Turkey)

The saltiest lake: Dead Sea (with a salt content of 332%, located at the junction of Pakistan and Jordan)

The highest freshwater lake: Lake Titicaca (Peru, Bolivia)

[Edit this paragraph] The most astronomical

Astronomical research

The world's earliest record of Halley's comet (currently recognized): China's Historical Records of Qin Shihuang.

The earliest record of Halley's comet in the world (later discovered, more than 400 years earlier than the historical record): China's Brief Training of Huainan Soldiers.

The earliest solar eclipse record in the world: 65438 BC+0265438 BC+May 26th, 2007 recorded by Oracle Bone Inscriptions in Shang Dynasty in China.

The earliest meteor shower record in the world: China's Notes on Bamboo Chronology

The earliest sunspot record in the world: 28 AD recorded in China's Records of the Five Elements of Hanshu.

The oldest star map in the world: Dunhuang star map of Mogao Grottoes in Dunhuang

The world's earliest observatory prototype: Stonehenge in Britain

astronomical instruments

The largest sun clock in the world: Augustus sun clock.

The world's first large-scale astronomical instrument driven by water: armillary sphere

The oldest astronomical clock in the world: Waterborne Observatory

The earliest telescope in the world: galileo telescope.

The largest mobile radio telescope in the world: Green Shore Telescope.

The world's largest optical instrument: space telescope

The world's largest refracting telescope: Yekeshi Observatory, USA

The world's largest reflecting telescope: the 6-meter telescope on Caucasus Mountain.

The largest spectral astronomical telescope in the world (aperture and spectral acquisition rate): lamost astronomical telescope (China, 09.06.05).

star

The brightest star: Sirius A (outside the solar system)

The closest star to the solar system: proxima centauri.

The brightest supernova: Taurus supernova

The largest star among the stars: three red and very bright stars discovered by American astronomers in June 2005.

The most attractive star: black hole

The oldest star: black dwarf (within the range of human understanding)

The fastest rotating star: pulsar

planet

The most massive planet: Jupiter (about twice the mass of the other seven planets combined)

Ringed planets: Saturn, Jupiter, Uranus and Neptune

The planet with the fastest revolution speed: Mercury (88 days)

The largest planet: Jupiter

The planet with the most satellites: Jupiter

The closest planet to the earth: the moon

The brightest planet to the naked eye: Venus.

The earliest calculated planet: Neptune

The most beautiful planet: Saturn

(within the solar system)

The fastest rotating planet: Jupiter

The planet with the slowest rotation: Venus (slower than revolution, 243 days, revolution 225 days)

satellite

The largest satellite in the solar system: Ganymede

The most volcanic satellite: io.

Man's first satellite: the moon

galaxy

The closest galaxies to the Milky Way: Great Britain and small magellanic cloud.

other

The largest onshore oilfield: Wo Jia Oilfield (the maximum oil production is 82 billion barrels, about11500,000 tons).

The heaviest oil drilling platform: Pan Bo drilling platform (weighing 24,000 tons).

The largest natural gas field: Wuliangou condensate gas field (with a total reserve of 8 trillion cubic meters).

The deadliest smog: London smog on February 4th, 1952 (* * * 3500 ~ 4000 people died of acute bronchitis caused by fog).

Maximum deforestation:1deforestation in Brazil from 990 to 2000 (almost equivalent to the land area of El Salvador).

The largest oil field: Gaval oil field

The largest oil port: Rastnula oil port.

Thickest area: Chimborazo Mountain in Ecuador, South America.

The highest volcano has been found: Olympus Mons (Mars) (the area is equivalent to the whole of Ireland, and the height is more than 3 Everest).

The first space station: Salute No.1 (197 1 successfully launched by the former Soviet Union in April,.

The largest space station to date: Mir.

The first artificial satellite: Sputnik- 1 (launched by the former Soviet Union on 1957+654381October 4).

The most powerful rocket: Saturn V.

The most famous astronomical telescope: Hubble Space Telescope (1launched by the United States on April 24th, 990).

The first man-made detector crossing the asteroid belt: Pioneer 1 1.

[Edit this paragraph] Human geography

country

Country with the largest land area: Russian Federation (with a total area of about17,075,200 square kilometers)

The country with the smallest land area: Vatican (with a total area of 0.44 square kilometers)

The most populous country: People's Republic of China (PRC) (the national population is about 654.38+0.3 billion).

The country with the least population: Vatican (about 990 people in 2008)

The country and region with the least population: Pitcairn Island (50 people in 2006).

The country with the highest population density: Monaco (area 1.95 km2, 32,409 residents, population density per km216,620 people).

The country with the lowest population density: Mongolia (area 1.564 million square kilometers, population of 2.8 million * * *, population density is only 1 person/square kilometer).

The country with the longest coastline: Canada (with a coastline of 202,080 kilometers).

Country with the highest mortality rate: Botswana (29.36 deaths per 1,000 people in 2005)

The country with the lowest mortality rate: Kuwait (only 2.42 deaths per 1000 population in 2005)

The country with the highest birth rate: Niger (565,438+0.33% in 2005)

The country with the lowest birth rate: Germany (8.33% in 2005)

The country with the lowest natural population growth rate: Germany

The country with the highest infant mortality rate: Angola (65,438+087.49 deaths per 1,000 infants).

The country with the lowest infant mortality rate: Singapore (only 2.29 deaths per 1000 infants)

The country with the highest female fertility rate: Niger (with an average of 7.46 babies per woman)

The country with the lowest female fertility rate: Singapore (only 1.06 babies per female)

The country with the highest suicide rate: Lithuania (in 2003, there were 426,5438+0 suicides per/kloc-0.0 million people, 74.3 suicides per/kloc-0.0 million people for men and 65,438+03.9 suicides per/kloc-0.0 million people for women).

The country with the highest GDP: the United States (GDP in 2008 was 14.32 trillion US dollars).

The country with the highest GDP per capita: Luxembourg (according to the statistics of the International Monetary Fund in 2004, it is about 75 130 USD).

The country with the longest life expectancy: Andorra (the average life expectancy in 2006 was 83.5438+0 years).

The country with the shortest life expectancy: Swaziland (the average life expectancy in 2006 was 33.22 years)

The youngest Republic in the world: Nepal (the monarchy was abolished on May 28th, 2008).

The longest national anthem: Bangladeshi people and the national anthem "Golden Bangladesh", 142 long.

The shortest national anthem: Bahrain's national anthem-Bahrain's Our Bahrain (only 7 bars)

The national anthem with the shortest lyrics: Uganda's national anthem has only eight bars.

The oldest national flag: Denmark's big white cross flag.

Longest border: the border between the United States and Canada (64 16 km long).

The first country to start the day: Kiribati (and the only country that has crossed the international international date line).

The country that produces the most dates: Iraq (198 1 accounting for 2/5 of the world output).

The country with the largest coconut production: Philippines (accounting for more than 1/4 of the world output).

The earliest country to grow coffee: Ethiopia

The largest rubber producer: Thailand

The largest producer of banana cannabis: Philippines

The country with the largest palm oil production: Malaysia

The country with the largest output and export of corn, soybean and cotton: the United States.

The country with the highest output of coffee, sugar cane and citrus: Brazil.

Australia is the world's largest exporter of wool and sheep, with the largest reserves of bauxite, lead, zinc, uranium and nickel.

Richest country: Switzerland (per capita wealth of $648,000)

The country with the largest number of cattle: India (about 300 million, accounting for 1/5 of the total number of cattle in the world).

The country with the largest number of sheep: Australia (more than 200 million sheep, average per person12,500).

The country with the largest number of lakes: Finland (about188,000 lakes, known as the "country of thousands of lakes")

The country with the largest number of islands: Indonesia (consisting of 13667 islands of different sizes, of which 6000 islands can be inhabited).

The country with the most volcanoes: Indonesia

The most expensive country for water: Kuwait

The northernmost country: Finland

The southernmost city: ushuaia.

The country with the highest proportion of disabled people: Angola

The country with the highest average altitude: Lesotho

Lowest country: Netherlands

The country with the highest peak: Nepal

The longest undefended border in the world: the border between the United States and Canada

administrative division

The northernmost capital: Reykjavik, Iceland.

The southernmost capital: Wellington, the capital of New Zealand

The westernmost and easternmost capital: Suva, the capital of Fiji

Supreme Capital: La Paz, the capital of Bolivia.

The capital closest to the equator: Quito, the capital of Eldo, South America.

The largest city: Hulunbeier, Inner Mongolia Autonomous Region, China (263,953 square kilometers).

The smallest city: Madridien Lilliput in The Hague, the Netherlands.

The northernmost city: Longyearbyen, Svalbard, Norway (located at 78 degrees north latitude).

The most densely populated northernmost town: New Olsen in Svalbard.

The southernmost city: ushuaia (located at 54 degrees 50 minutes south latitude).

The earliest city to tell the time with flowers: Geneva (with a history of 28 years)

The most densely populated island: Ap Lei Chau (Hong Kong, with an area of 1.3 km2, 90,000 inhabitants and a population density of 60,000 per km2).

The most densely populated city: Male (Maldives, * * * 469,800 people, population density is 48,007 people per square kilometer).

The area with the highest population density: Mong Kok (Hong Kong) (average density is 654.38+ 3,000 people per square kilometer).

The lowest population density: Greenland (the average density is only 0. 1 person/square kilometer).

The largest administrative divisions: Saha and the United States (with an area of 365,438+3,200 square kilometers).

The most populous administrative division: Uttar Pradesh (total population is about175,922,300).

The city with the lowest female fertility rate: Hong Kong (with an average of 0.95 babies per woman).

The city with the highest GDP in the world: Tokyo (1 19 1 billion dollars in 2008).

The most populous city in the world: Tokyo (population 35.6 million in 2008)

The largest urban agglomeration in the world: Tokyo (area 2 155 square kilometers)

The city with the highest GDP per capita in the world: new york ($665,438+$0,000 in 2008).

The city with the largest number of skyscrapers in the world: new york (with 35 skyscrapers over 200 meters).

The most developed city in the world: new york.

The world's densest and widest skyline: Hong Kong-the calculation method is equal to the sum of the heights of all buildings minus the minimum value of 90 meters or 295 feet. (in meters, excluding the spire). The height of the independence tower is half of theirs.

mineral

The largest gold storage country: South Africa (accounting for 3/5 of the valuable metals mined).

The country with the richest oil resources: Saudi Arabia

The country with the richest phosphate: Morocco

The country with the richest rare earth minerals: China.

The country with the richest coal mines: China.

The largest natural diamond producing area: Australia (the diamond production is 37.4 million carats, accounting for 34% of the world's total diamond production).

other

The largest delta: Ganges Delta (with a total area of about 70,000 square kilometers).

The earliest national park: Huangshi National Park (founded in 1872).

The longest ocean current: Antarctic circulation (up to 2 1 000 km)

The largest wetland: Pantanal Wetland (with a total area of 242,000 square kilometers).

The largest independent rock: Ayers Rock, Australia (about 9.4km in circumference).

[Edit this paragraph] is the most biological.

animal

The largest animal: the blue whale (average length 30 meters, weight 140 tons).

The largest land animal: African elephant (with an average weight of 7 tons)

The tallest land animal: giraffe (average height 5 meters)

The most primitive egg-laying mammal in existence: platypus

The warmest animal: polar bear

The largest feline: Siberian tiger (height 1 meter or more, body length up to 3 meters, tail length about 1 meter, weight more than 350 kilograms).

Hippo, the land mammal with the largest mouth.

The cleverest animal: dolphins

The animal with the longest male reproductive organ: African elephant (the reproductive organ is 2 meters long)

The largest bird: ostrich (with an average height of 2.5 meters and a maximum weight of 155 kg).

The largest bird: Cory bird (over 1 m long and weighing about18kg, living in southeast Africa).

The bird with the longest wings: albatross (wings spread 2~3 meters)

The earliest birds: Confucius bird, Liaoning bird and Sinosauropod (200-300 million years ago, the former two belonged to the same era, both of which were tens of millions of years earlier than Archaeopteryx, but whether Sinosauropod is a dragon or a bird is still controversial. )

The bird with the largest mouth: Toucan (the mouth is 24 cm long and 9 cm wide)

The smallest bird: hummingbird

The bird that flies highest: swan (as high as 17000m).

The coldest bird: penguin

The largest egg-laying bird: ostrich

The animal with the largest cell: the egg cell of ostrich.

The bird with the most wings; Four-winged bird (living in western Senegal, Gambia and southern Zaire)

The largest cartilaginous fish: whale shark (8 meters long on average, up to 20 meters long)

The fastest animal on land: cheetah (up to 130 km/h)

The fastest marine animal: swordfish (up to 190 km/h)

The fastest flying animal: frigate bird (up to 4 18 km/h)

Highest breed: Irish wolfhound (up to 150 cm)

The smallest dog breed: Chihuahua (generally weighing between 1 and 5 kg)

The tallest dog: Great Dane (usually more than 76 cm tall)

Oldest creature: Tongue-shaped shellfish (450 million years ago)

The largest jellyfish: Arctic jellyfish (the diameter of the umbrella cover can reach 2.5 meters).

The lowest multicellular animal: sponge.

Animals with the most teeth: snails (* * * have 14 175 teeth).

The biggest spider: the bird spider

The most common worm: earthworm

Longest mollusk: squid (longest17m, tentacles13m).

The biggest tadpole: unreasonable frog (the tadpole produced is more than 25 cm long, while the frog is only 7 cm long)

Animals with the most feet: millipedes (700 feet)

The longest insect: stick insect (up to 30 cm long)

The most exquisite nesting insect: bees

The insect with the strongest flying ability: locust (flying continuously for nearly 10 hours every day)

The fastest crawling insect: cockroach

Insect with the most eyes: dragonfly (each compound eye consists of 280 thousand eye crystals)

Mosquitoes are the most harmful insects to human beings (the diseases they spread killed 3 million people in one year)

The most powerful insect: the beetle (it can support or drag away objects more than 870 times its own weight)

The strangest fish: hippocampus

The fish with the strangest eyes: flounder

The most poisonous fish: poisonous fish

The fish that flies farthest: flying fish (record: height 1 1m, distance 1000m).

The fish with the strongest discharging ability: electric eel (the highest voltage can reach 800 volts when discharging)

The fish that lays the most eggs: Molas (up to 300 million eggs at a time)

Laziest fish: male? ? ? ? fish

The largest amphibian: giant salamander (giant salamander)

The largest reptile: saltwater crocodile (up to 8 meters long)

The most primitive reptile: the spotted wedge-toothed lizard

Longest snake: Python (longest14.85m, weighing 447kg).

The most color-changing lizard: dodge (or chameleon)

The most poisonous snake: sea snake (80 times more toxic than cyanide)

Longest-lived animal: turtle (the oldest turtle is over 300 years old)

The largest dinosaur: Zhenlong (42 meters long and weighing about 130 tons).

The smartest dinosaur: odontosaurus (IQ as high as 5.3)

The stupidest dinosaur: stegosaurus

Dinosaur with the largest claws: Diptera (claws more than 30 cm long)

The widest dinosaur: Ankylosaurus (the body length does not exceed 10 meter, and the body width can reach 5 meters).

The ugliest dinosaur: Houdanlong

The most powerful dinosaur: Allosaurus, Tyrannosaurus Rex

Dinosaur with the Most Teeth: Duckbilled Dragon (960)

The smallest dinosaur: Neognathus (60 cm long and 5.5 kg)

The bird with the longest wings: albatross (generally up to 3.17m).

The slowest animal: the three-toed sloth (speed 100 m/h)

The animal with the longest hibernation time: Dormouse (hibernation time is 5~6 months)

Mammal with the shortest pregnancy: Daur pika (pregnant 15 days)

Longest centipede: up to 1 meter.

The Biggest Animal in Space: Ham the Chimpanzee (1965)

The most important animal: water bear worm

The biggest frog: the giant harmonious frog (the maximum length from the tip of the nose to the anus can reach 33 cm and the maximum weight can reach 3 kg).

The smallest frog: pygmy frog (average length 1 1.4 mm)

plant

The largest plant: General Sherman Tree (volume 1, 489m? )

Smallest tree: short willow (not more than 5 cm high)

The largest flower: Dawanghua (can weigh up to 1 1 kg).

The smallest flower: fig flower

The most smelly flower: carrion flower

The shortest-lived flower: grape flower

The largest leaf: Wang Lian leaf

The largest seed: big coconut (diameter 40-50 cm at maturity, weight 15-30 kg).

The smallest seed: Eupatorium adenophorum (about 0.5 mm long and 70 microns in diameter, which can only be seen clearly under a microscope or magnifying glass)

The strangest plant in fruiting habit: peanut (flowering on the ground and fruiting underground)

Crops with the most plants in protein: soybean (36.3g protein/100g soybean).

The oldest crop: pea (from 1. 1 10,000 years ago)

The Plant with the Best Fiber Quality: Ramie

The earliest area where tea trees were planted: Guangxi

The most drought-tolerant crop: millet

The largest crop: wheat

The vegetable with the highest vitamin C content: pepper.

The fruit with the highest vitamin C content: cherry

The vegetable with the lowest calorie: cucumber

The healthiest fruit: apples

The thickest tree: Bobdog (trunk circumference can exceed 50 meters)

The tallest tree: Australian almond eucalyptus (up to 156 m)

The tree with the longest leaves: a coconut tree with long leaves (the longest is 27 meters)

The tree with the deepest root: a fig tree near Oristad, South Africa (the root goes deeper than 120 meters).

The tree with the largest crown: Banyan tree in Bangladesh (its crown can cover about 1 10,000 square meters of land).

The largest tree: California giant sequoia

The tree with the largest water storage capacity: Haloxylon ammodendron

The oldest tree: a pine tree named Matthew Chera in California, USA (the age of the tree is as high as 6400 years; There is also a dragon's blood tree on Canary Island in western Africa, which has lived for more than 8000 years, but unfortunately it was destroyed by a typhoon in 1868).

The heaviest wood: Tieli wood in Xishuangbanna, Yunnan (its trunk is as high as 30 meters, and the wood is hard, so it will not float on the water when put into water).

Lightest wood: Bashamu from the United States and China (only 0. 1 ton per cubic meter).

The thickest tree: A chestnut tree (56 meters in circumference) grows on Sicily, Italy.

Saltiest Tree: There is a kind of wood salt tree growing in Heilongjiang, China (the salt content is similar to that of common edible salt).

Sweetest tree: maple in North America (sugar content can reach 85%)

Hardest wood: Betula platyphylla in North Korea and Northeast China (it is 1 times harder than ordinary steel plate, and modern rifles can't do anything even in a short distance).

The brightest tree: the magic tree of North America (you can see clearly the words smaller than 5 regular script under the tree at night).

The most poisonous tree: Jatropha curcas in Xishuangbanna, Yunnan, China and Haikang, Hainan (that is, the throat is sealed with blood, and the juice is white, but it is highly toxic and deadly. Only the red-backed bamboo grass can solve this poison)

The most fire-resistant trees: sea pine in Nanhai, China, and water bottle tree in South Africa (in case of fire, the leaves are burned the most, and new leaves will grow in the next year, which will blossom and bear fruit normally).

The most sensitive tree to fire: fire-extinguishing tree (originally from Angola, as long as someone lights a fire under the tree, it will immediately spray a special liquid to put out the fire)

The most precious trees: Metasequoia glyptostroboides and Ginkgo biloba (known as "rare living fossils in the world" and "plant pandas")

The most noble tree: the first sandalwood tree (a biologist once humorously said: sandalwood tree is a noble among the nobles, and it is a very beautiful tree. It will never be a "parasitic companion", and it will never take incense lightly, so it is often hot with Yang Jinfeng and Callicarpa).

The slowest growing trees: Ervizga tree in Karachi, the former Soviet Union, and Chytka spruce in the Arctic forest belt (only 28 cm high and 2.5 cm in diameter every hundred years).

The fastest growing tree: an unnamed tree in Malaysia (9.2 meters long).

The largest tea tree: a tea tree in Menghai, Yunnan, China (height 32 meters, trunk 2.98 meters thick, leaves as long as 14 cm, width 6 cm, age about 1700 years).

The oldest and largest chestnut tree: a chestnut tree in Czech Republic (trunk circumference 700 cm, tree age over 500 years)

The oldest litchi tree: a litchi tree named "Song Jiaxiang" in Putian City, Fujian Province, China (the trunk circumference is 7. 1 m, and the tree age is over 1200 years).

The oldest olive tree: an olive tree (over 2400 years old) on the Adriatic coast of Yugoslavia.

The largest vine: a vine in England (the shade covers an area of more than 460 square meters. The longest branch reaches more than 90 meters)

Pear with the most variety: an artificial hybrid pear (can produce 24 pears with different shapes, such as Sydney, Yueming pear, Laiyang pear, Kongdeli pear, etc. ) In China.

The most lonely plant: monocotyledonous grass

The most spiritual plant: mimosa. If you touch the leaves of a mimosa, it will close immediately. The greater the impact, the faster the closure, and the whole leaf will hang down.

The highest forest in the world: alpine woodland in southeastern Tibet

The lowest forest in the world: mangrove forest in Hougang, Qinglan, Hainan

[Edit this paragraph] The most advanced technology

The pace of scientific and technological civilization is constantly advancing, from walking to running.

information technology

The country with the largest number of netizens: People's Republic of China (PRC).

The number of netizens reached 338 million, the number of broadband netizens reached 270 million, and the number of CN domain names nationwide reached135.72 million. The three indicators continue to rank first in the world (as of June 2009, 1).

build

Highest building (since recorded): Warsaw Broadcasting Tower (646.38m high, 199 1 year collapsed).

Highest building (at present): KVLY-TV antenna tower (KVLY-TV mast, USA, 628.8 meters high).

The tallest radio and television sightseeing tower: Guangzhou New TV Tower (6 10 meter, Guangzhou, China).

The largest golden glass curtain wall building: China Port City

The first high-tech building: Pompidou National Cultural Center (197 1 completed).

The largest solar building: Diangu Jinjiang International Hotel (located in Diangu, Baoding, China)

The boldest future building: Japan's Mount Fuji Tower (which is higher than Mount Fuji and can accommodate 6,543,800 people, and is expected to be completed within 654,38,000 years from 2008).