In reply to eerowest:
Inspiring stuff. It's interesting how close calisthenics and similar sports are to climbing. You can see how they are trying to perfect the movements. Have you seen stuff by Frank Medrano or Dominic Sky?
The uncompleted big calisthenics project is the one arm handstand push-up. Possible in theory but no one has yet managed one yet.
Welcome to UKC. Don't worry about the negativity. It's not personal. Some people are just negative by nature. Probably depressed or summat.