Ever wonder why this huge building in NYC has no windows? Built in 1974 during the Cold War, 33 Thomas Street was designed to withstand a nuclear blast / fallout and to be self-sufficient with its own gas and water supplies. credit: archi.student.helper

Ever wonder why this huge building in NYC has no windows? Built in 1974 during the Cold War, 33 Thomas Street was designed to withstand a nuclear blast / fallout and to be self-sufficient with its own gas and water supplies. credit: archi.student.helper