Mathias Equalizing During Descent @ Japanese Garden

Group of 3 danish guys doing Advanced Open Water course at Crystal Dive Resort with PADI Master Instructor Torben Gregersen, here during their Adventure Peak Performance Bouyancy dive, where they are improving thier ability to stay on the same spot and with small adjustments to the lung volumen moving slightly up and down. Time of the year is start of August 2010.

Done