Take 60,000 tons of steel, 260,000 cubic meters of concrete, 2,000 dedicated Chinese workers, and some of the best design brains in the business, and the Shanghai World Financial Center is what you get.
Typhoon winds to withstand, a rigid deadline to meet, and a towering goal no skyscraper had ever reached. The Pearl River Tower even generates its own power; it is the holy grail for mechanical engineers.
Planned to be one of the greenest buildings in Asia, and possibly the world, the Eco Ark aims to be a glowing example of how to turn a problem into a solution. Its walls are made completely out of recycled material.