Herbert Nitsch was in Okinawa (Japan) for the 2010 Freediving World Championship. But he didn't take part. Here's an insight to the sort of things he was doing instead.

Produced and directed by Alexander Abela. Filmed by Alexander Abela & Herbert Nitsch - using the Canon EOS 5D MkII and Subal housing.

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…