Jokerry Man — November 30, 2015 in Facts 19 Very Interesting Facts Of The Busiest New York City 28 Likes Comment Share #10. Fake Buildings There are many fake buildings throughout In the New York City what is used for the ventilation system and maintenance supplies for the subway. (Media Credit) Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 interesting Facts Of New York City New York City facts NYC facts