What the fuck is he doing? The only excuse for him to be hanging like that is if he is crawling laterally along the building, looking for an open window. That's less "superheroic infiltration mission" and more "I locked myself out of my apartment."
Brick Mansions -- Paul Walker Can Fly
The upcoming Paul Walker parkour-fest Brick Mansions has made the freewalking stunts way easier by simply giving all of the actors anti-gravity sneakers that allow them to fly through the air at any angle they choose:
Wait, are they taking turns?
As we can see in the film's other posters, these two gentlemen aren't skating down the western slope of the Luxor, but are actually sliding down the side of a completely vertical building. So the true perspective would be something like this:
"Don't worry. All these soft shards of glass will cushion our landing."