because their feet 400 meters tall glass ground cracking

The

report from our correspondent in Chicago Willis second U. USA high-rise building is the eighth tallest building in the world. There are four viewing room on the top floor cheap customized jerseys of the building, is made of transparent glass, can from inside the full cheapjerseys.us observation in Chicago. Whenever visitors standing in the glass viewing cheap jerseys platform in the Willis building, fear and surprise coexist.

according cheap basketball ncaa jerseys to foreign media reports, recently, when a family visit Chicago this skyscraper and take pictures in the viewing platform, suffered an incomparable panic, because their cheap nhl jerseys feet 400 meters tall glass ground cracking (pictured), and sent waves of broken voice. The building staff emergency evacuation of all visitors. (Zhong Xin)