Crazy Make Shift Cliff Diving [Pic]

You says you need a cliff to cliff dive.

All you need is a very high building and a custom built plank to jump from. EEK!

Source:
http://www.redbull.com/cs/Satellite/en_INT/Gallery/Best-of-Boston----Red-Bull-Cliff-Diving-Photos----Red-Bull-021243070819764