What is the tallest building in the world at present?

The largest megalithic building in the world-Egyptian pyramid of khufu

Pyramid of khufu was built during the reign of Khufu, the second Pharaoh of the fourth Egyptian dynasty (about 2670 BC), and is considered as a mausoleum built by Khufu for himself. In ancient Egypt, every Pharaoh began to build a mausoleum for himself from the day he ascended the throne, in order to turn it over to the gods after death. The four slopes of the Great Pyramid of Khufu face east, south, west and north respectively, and the error is less than three points of the arc. The original length of the bottom was 230 meters, but now it is shortened to 227 meters due to the limestone falling off the outer layer of the tower, and the inclination angle is 5 1.52 minutes. The tower height used to be 146.59 meters, but now it is 136.5 meters, which is equivalent to a 40-story skyscraper. The bottom of the tower is square, covering an area of 52,900 square meters.

The tower in pyramid of khufu consists of 2.3 million boulders of different sizes, each weighing from 1.5 tons to 1.60 tons. These stones are tightly bonded together without any adhesive. If these stones are cut into small pieces with an average of one cubic foot and arranged in a row, their length is equivalent to two-thirds of the circumference of the earth. Pyramid of khufu is a huge project with fine structure. Its construction involves surveying, astronomy, mechanics, physics and mathematics. It is called the greatest stone building in human history, and there are still many unsolved mysteries.

The largest auditorium-style building in the world-Beijing Great Hall of the People

The Great Hall of the People has created a miracle in the history of architecture. At the end of June, ground was broken on 1958+00, and it was completed on 1959 in August. It took only one year from design to completion.

The plane of the whole building is mountain-shaped, and the front wall is arched. The building area is1718000m2. In the middle is the famous Great Hall of Ten Thousand People. The venue is fan-shaped, with three floors in total, which can accommodate large-scale meetings of 10000 people. Dome-shaped ceiling, with 500 light holes arranged vertically and horizontally, with a huge red five-pointed star at the top, surrounded by sunflower rings and three layers of water wave-shaped light grooves. There is a 7000-square-meter banquet hall in the north, which can be used for banquets of 5000 people. To the south is the office building of the National People's Congress, including conference halls with local characteristics named after China's provinces, municipalities, autonomous regions and special administrative regions.

The largest single project in the world-Three Gorges Water Control Project

The Three Gorges Project, including non-overflow dams on both banks, is 2,335 meters long. The discharge dam section is 483 meters, the hydropower station unit is 700,000 kilowatts ×26 units, and the double-line 5-level lock+ship lift. Upon completion, the surface area of the Three Gorges Reservoir will be equivalent to the total land area of Singapore, and it is estimated that the whole project will cost 24.5 billion US dollars.

The world's largest administrative building-Pentagon, USA

The Pentagon is located in Arlington on the Potomac River near Washington, USA. It is the seat of the US Department of Defense. Seen from the air, this building is a regular Pentagon, hence the name "Pentagon". Covering an area of 2.359 million square meters, the building is 22 meters high and has five floors, with a total construction area of 608,000 square meters and a usable area of about 344,000 square meters. At that time, the cost was $87 million. It was completed in April 1943 and opened in May of the same year, with a capacity of 23,000 people. There are large parking lots on the north and south sides of the building, which can simultaneously park 65,438+00,000 cars.

The largest ice building in the world-Swedish Ice Hotel

The Ice and Snow Hotel in Harvi, Yukas, Sweden is the largest ice and snow building in the world, with a total indoor area of 5,000 square meters and can receive 150 guests every night. In the past five years, the 65438+ February Hotel has been renovated once a year, and its area has increased year by year. At present, this hotel has an ice sculpture, a cinema, a sauna and an ice bar, and a unique ice sculpture prayer room in the world.

The largest ancient architectural complex in the world-the Forbidden City in Beijing

The Forbidden City in Beijing, China (also known as the Forbidden City), located in the center of Beijing, was the imperial palace of the Ming and Qing Dynasties, where 24 emperors successively ascended the throne. Founded in 1406, it has been nearly 600 years. The Forbidden City is the largest and most well-preserved ancient wooden structure complex in the world, covering an area of 720,000 square meters and a construction area of about 6,543,800+0.5 million square meters. It has more than 9,000 halls, among which the Hall of Supreme Harmony (also known as the Hall of Golden Throwing) is the place where the emperor held ceremonies such as enthronement, birthday celebration and invasion of the DPRK. The Yellow Tile Red Wall, Golden Jubilee, White Jade Carved Columns and Palace Que in the Forbidden City are the essence of ancient architecture in China. There are about 6,543,800 pieces of precious cultural relics and artworks in the palace. It is listed in the World Heritage List.

The longest man-made building in the world-the Great Wall of Wan Li, China

The majestic Great Wall of Wan Li spans the mountains in northern China, with a total length of more than 6,700 kilometers. It was built in the Spring and Autumn Period and the Warring States Period. It is a rare ancient military defense project in the history of human architecture. It is famous for its long history, huge project and magnificent spirit. It has been listed in the World Heritage List by UNESCO and is known as the "eighth wonder of the world".

The largest apartment building in the world-Barbican residential area

The largest residential apartment complex is Barbican residential complex in London, England, which was designed by architects Chamberlain, Powell and Bond in 1959. Total floor space 16 hectare, 20 apartments14 sets, parking lot for 17 10 cars.

The largest urban development zone in the world-Pudong New Area, Shanghai

China Pudong New Area is the largest urban development zone across the Huangpu River in the world, with an area of 520 square kilometers and a population of 6,543.8+0.4 million.

Pudong New Area consists of Lujiazui Financial and Trade Zone, Jinqiao Export Processing Zone, Waigaoqiao Bonded Zone and Zhangjiang Hi-tech Park. Construction started in April. 1990. By February, 5548 foreign investment projects had been introduced. There are more than 80 buildings under construction in the financial zone and trade zone, including the World Financial Center, which will become the tallest office building in the world after completion.

The world's largest railway station-new york Metropolitan Station

Metropolitan Station in new york, USA is the largest railway station in the world. At the beginning of this century, it was funded by William Vanderbilt, a millionaire, and was jointly built by Warren and Whitemore, Reed and Steinem, two American construction companies. The station covers an area of 19 hectare, which is the highest in the world. It is divided into upper and lower floors, with 4 1 railway lines on the upper floor and 26 railway lines on the lower floor. On average, more than 550 trains and 265,438+0,000 commuters pass by here every day.