Wikipedia
Ontheroofs
Ontheroofs is an urban exploration photography project by Vitaliy Raskalov and Vadim Makhorov, from Ukraine and from Russia respectively. Their main focus of photography is the exploration of high-rise architectural structures like skyscrapers, bridges, historic sites and cathedrals. Raskalov and Makhorov have been notable for their number of free-climbs up famous buildings and monuments around the world. Typically, their videos are uploaded onto YouTube and showcase their ascent and descent. Their most popular video, of the Shanghai Tower, has over 50 million views as of April 2016.