This is an experienced diver named Maarten Jonker.
B.W. Ring, 2001-May-01, Sadwana Bay, South Africa.
Olympus C-3030: f=4.5, s=1/500 sec, fl=32 mm, ISO=80, filter=uv, t=11:24:48, 2048x1536x24bit, 72dpi jpg.
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