This guy created a bouldering route in his house.
This is the “Sofa route” in 37 moves, rated: 6a+ V2. He used 42 screw holes through the plaster ceiling connected to the wooden beams above. This guy (Maximo Kausch) also goes ice climbing in the mountains in Paris.
Home Bouldering from Maximo Kausch on Vimeo.
(credit: LikeCool)
Wow, that looks like a workout.