Watch BMXers sneak in and ride a decommissioned military structure

This video goes from a hilarious first attempt at using a rubber dinghy to Bas Keep's palm-sweating BMX stunts in a massive sound mirror.

More info about sound mirrors:

https://www.youtube.com/watch?v=K5k7GqG3psM

SECRET ISLAND HAS 100 YEAR OLD SKATEPARK!! (YouTube / Sebastian Keep)