Welcome to the world of sink-based extreme sports. Yes, you read that right: extreme sports. In a sink. Because, why not?
Sink Hazards and Statistics reveals all the dangers and risks associated with free-diving in a sink. Don't say we didn't warn you.
Advanced Sink Diving Techniques for the experienced sink-dive enthusiast.
Sink-Diving Gallery featuring the most stunning sink-diving moments from around the world.
And for the really adventurous: Sink-Diving World Championships - because who needs a pool when you have a sink?