The Jin Mao Tower is an 88-storey landmark skyscraper in the Lujiazui area of the Pudong district of Shanghai, People's Republic of China. With 88 stories reaching a height of 420.5 meters and 290,000 square meter construction area, Jin Mao Tower, which literally means "Gold Luxuriance Building" in Chinese, is a perfect combination of traditional Chinese architectural style and the world's modern architectural technology.
The first two floors are a capacious and bright lobby. From the third to the 50th floor are spacious offices, which are open-plan (column-free) with a floor-to-floor height of 4 meters and a floor-to-ceiling height of 2.7m. The 51st and 52nd floors are mechanical rooms. The Grand Hyatt Shanghai hotel occupies floors from 53 to 87. It's the world's tallest five-star hotel in terms of distance from the ground, which boasts a 152m barrel-vaulted atrium that is lined with 28 annular well-illuminated corridors and staircases arrayed in a spiral. The 88th floor houses the Skywalk, a 1,520-square-meter indoor observation deck, which is the tallest and biggest one of its kind in the Chinese mainland. It offers a panoramic view of Shanghai and a topside view of the hotel atrium below.