Toronto's CN Tower completed by The Foundation Company of Canada
![](https://i.ytimg.com/vi/K67j5juf-V4/mqdefault.jpg)
29:42
How the CN Tower was Built | Engineering & Construction
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43:11
Assembling a Tower Crane - Part 1 (of 2)
![](https://i.ytimg.com/vi/ZV2Sn4Wz17Q/mqdefault.jpg)
52:41
Torre Eiffel, História de uma Aposta Incrível
![](https://i.ytimg.com/vi/nIYdystZDJ4/mqdefault.jpg)
17:23
Ironworkers from Newfoundland : Walking Iron (1986) - The Fifth Estate
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22:10
Addition to the West Antenna Tower. Sears Building, Chicago, Illinois. Sunday, June 4th 2000
![](https://i.ytimg.com/vi/pitEq8gjNj8/mqdefault.jpg)
28:27
ABOVE THE CLOUDS 03 29 2019 ANTENNA CHANGE OUT
![](https://i.ytimg.com/vi/FKU1PTyHtbM/mqdefault.jpg)
26:36
Building The Golden Gate Bridge
![](https://i.ytimg.com/vi/TVfoeUSwjz8/mqdefault.jpg)
18:33