Elevators are the lifeblood of skyscrapers
Since 1857, vertical lift first appeared in the United States a 5-storey department store started, the building won the freedom of high growth. In 1885, the world's first skyscraper in the United States built 42 meters high--the home insurance building in Chicago installed a lift. The building, although only 10, but marked the beginning of the real Chicago School of architecture. Later skyscrapers in layout, in fact almost always is a replica of the Chicago school.
Today, skyscrapers are a vertical city: daily, Jin Mao Tower has about 6,000 employees in the Office, 6,000 visitors and tourists to visit this chat or 8000 people in the Jin Mao Tower shopping, dining. In order to transport so many people, the building is equipped with 79 elevators. Highly ranked first in the country's fourth, Guangzhou Guangzhou International Finance Center (commonly known as Guangzhou West Tower) has 125 elevator in Shanghai world financial center, tallest building in China's 91 elevators, and even a special elevator cars can be transported to the roof.