亚洲91视频,国产91网,久久久久久久久久久久久久久国产,亚洲一区二区三区日本久久九,亚洲日本久久,国产精品久久久99,亚洲欧美一区二

US EUROPE AFRICA ASIA 中文
Business / Biz Photos

Top 10 observatories in the world

Updated: 2014-05-26 07:28 (chinadaily.com.cn)
Comments

3 Skydeck at Sears Tower, Chicago, Illinois, US

The glass balcony is suspended 1,353 feet (412 meters) in the air and juts out 4 feet (1.22 meters) from the Sears Tower's 103rd floor Skydeck. Visitors can see four US states on a clear day. The glass floor on the balcony is 12.7 cm thick and can bear a load of about five tons.

Top 10 observatories in the world

Anna Kane, 5, of Alton, Ill, looks down from "The Ledge," at the Sears Tower in Chicago, on June 24, 2009 .[Photo/dfic.cn]  

 

Top 10 observatories in the world
Top 10 list: Ranking China and the world
Top 10 observatories in the world
Top 10 most expensive cars in the world
Top 10 observatories in the world
Top 10 favorite luxury bran
dsof Chinese women

 

Photo
8.03K
...
...