Coral Reeef
Fig. 84: A coral reef on top of an overhang. Divers are underneath and air goes through the porous rock. Dive site Dinding Selatan nearby Sel Pelee island, Raja Empat, Indonesia. Nikon E5400; Δt=1/125 s; f=5.8 mm; f/2.8; ISO 50; 21 March 2005 15:55:16