>> danny teams up with film maker stew thompson to shoot a segment of a documentary focusing on urban sports called concrete circus. we tried to come up with a film that showed him in the best light really. >> if first challenge is to find a location. >> i was looking for old buildings, concrete. nice backdrops. >> they find that and more when they come across an abandoned iron works factory and train yard in a scottish country side. >> the locations are stunning. it's beautiful. >> over the course of a grueling week, danny and stew meticulously plan out and shoot various stunts. >> last time i was too scared to jump this. and i kind of still am. it's horrible.