16 October, 2008

New York from air(2)

Photo.2) The tall building in center is the Citicorp Center building.
Of note, the slanted top contains a huge block of concrete 
to keep the building from swaying in the wind. It was 
added after the tower was constructed in the 70's. 
It is called a Tuned Mass Damper.

photo 4) Queensborough Bridge