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Biggest building: China opens world's largest single structure

Name: Biggest building: China opens world's largest single structure
Uploaded: 2013-08-26T09:13:48-0400
Duration: 2 min 58 s
Description: The fourth largest city in China, Chengdu, now has the world's largest standing building. It could hold three Pentagons or 20 Sydney Opera Houses. Seth Doane reports.

The fourth largest city in China, Chengdu, now has the world's largest standing building. It could hold three Pentagons or 20 Sydney Opera Houses. Seth Doane reports.