The Historical Evolution of Empire State Building

/kloc-It used to be a farm in the late 8th century.

In the late19th century, this place was once waldorf frequented by celebrities.

1930 65438+/kloc-0 started construction on October 22nd, and in March of the same year 17. The project involves 3,400 workers, mainly European immigrants, including hundreds of North American aborigines near Montreal. According to official statistics, five workers were killed in the construction. The construction speed of the Empire State Building is four and a half floors a week. At the technical level at that time, it was already remarkable. The whole building was finally completed and put into use five months ahead of schedule, which was 65,438+00% less than the estimated $50 million. The materials used include 5,660 cubic meters of limestone and granite in Indiana, 65,438 million bricks and 730 tons of aluminum and stainless steel.

1 931may1day, American president herbert hoover personally pressed the button in Washington, D.C. to light the lights of the building, and the Empire State Building was officially completed, becoming the tallest building in the world at that time. However, many offices remained vacant until the 1940s, which made it nicknamed the Empty State Building in the early days.

After the "911"incident on 38+0, 2006, people once worried that the Empire State Building would become the next terrorist target. After a brief closure, the observation deck on the 86th floor of the Empire State Building was reopened to the public, but the protective iron fence around the observation deck was reinforced to prevent people from jumping from there. The observation deck is located at the building 1050 feet (about 320 meters), from which you can see the whole city of new york.

On May 1 2006, the Empire State Building in New York, USA, celebrated its 75th birthday. American newspapers and television have made many reports on this and recalled the vicissitudes of this building.

In February 2008, the Empire State Building emission reduction project initiated by CCI was quietly launched. A year and a half later, the transformation of the Empire State Building was completed, reducing the carbon dioxide emissions by 38% compared with that before the transformation.