The Observation Deck at SWFC Scale the heights of China’s tallest building, the 492 metre Shanghai World Financial Centre. Completed in 2008, the super skyscraper may only be the second tallest ...

It's true: The Twin Towers could have been built to withstand the impact of a 767. "But they would be made of 4-foot-thick concrete and have no windows," says Ron Klemencic, a structural engineer ...