Perched on a pylon on top of a skyscraper high above the city streets, daredevil photographer Tom Ryaboi looks out at the city of Toronto lit up below him. Tom is one of the pioneers of a new craze called 'Rooftopping', in which thrill-seekers climb to the top of skyscrapers before hanging off the edge and photographing the scene as proof of their antics.

Credit : Tom Ryaboi/Barcroft USA