Two Techdiver

Two Techdiver: Two techdiver exercising. Each one has a double tank on it's back. tree stage tanks and a small argon tank for their dry suit. Impressive, but too much for me and my back. — Nikon D200, Nikkor 10.5mm DX Fisheye, Riedsort, Lake Lucerne, 16 August 2009. Nikon D200, 1/31 s, F/2.8, 10.5 mm, ISO 400, Sunday, August 16, 2009 10:27:55