42:47

Powerline Alaska

29:42

Toronto's CN Tower completed by The Foundation Company of Canada

28:27

ABOVE THE CLOUDS 03 29 2019 ANTENNA CHANGE OUT

45:58

STRONG TOWER: A KNEO DOCUMENTARY

44:32

Man Made - Earthmovers

15:22

Hazard Pay - TEP

42:37

Grand Coulee Dam: A Man-Made Marvel (Full Movie)

22:15

Stunning footage of the construction of New York's Empire State Building in color (opened in 1931)