811 Tenth Avenue windowless skyscraper in Manhattan. Also called AT&T Switching Center, the structure was designed to withstand a nuclear blast.
https://s3-us-west-1.amazonaws.com/h...g_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...1_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...830#post213311
https://www.homemadetools.net/forum/...317#post208254
https://www.homemadetools.net/forum/...892#post206774
https://www.homemadetools.net/forum/...478#post117038
https://www.homemadetools.net/forum/...308#post208217