“Rooftopping” sounds completely made up, but these pictures taken from death-defying heights are real. Men and woman risk their lives, sneak through security and break the law to take pictures of things that you thought weren’t possible.

Taken from http://www.viralnova.com/rooftop-photos/    
 To get the perfect shots, Tom Ryaboi even dresses in attire that is normal for the building. He’ll sneak through office buildings dressed in suits, or through construction sites dressed as a worker.