Check out British free-runner, Max Cave, go for a precision roof to roof jump in Hong Kong. His take off and landing platforms were only 15cm wide, so there was very little room for error. If you are familiar with the city, it appears the Storror parkour team member jumps between two Provident Centre Block residential buildings just off Wharf Road in the city.
Here’s a bit better perspective of how high consequence this leap was:
