[Construction of Skyscraper]
[Construction site.]
Subway Construction.
[Tunnel construction.]
[Subway construction.]
Looking Southwest. [Construction site.]
[House under construction.]
[Building under construction.]
[Construction site on West Side.]
[Super Dreadnaught Arizona Under Construction]
Construction and Demolition on Rooftops.
[Constructing the McAdoo Tunnel.]
[Ship Under Construction.]
Changing New York [Construction site.]