01:06
30 St Mary Axe - is London's first ecological tall building?
00:43
Huangtengxia Tianmen Sky Walk
03:05
82 years ago today: the collapse of the Tacoma bridge
00:15
Burji Khalifa
01:16
Floating Bridge
00:30
Lucky Knot Bridge in Changsha, China
01:12
Suspension and cable-stayed bridges: how they works and how they are built
01:01
Cable-stayed bridges: how they works and how they are built?
00:57
New design Skyscraper
02:00
Jewel Changi Airport: the most beautiful airport in the world?
00:48
Ruyi Bridge - Too crazy to exist
00:28
Underground skyscraper
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