People take part in Underwater Festival off Heron Island in Australia.
Gold belonging to the Manila Government arrives in Corregidor, thanks to US submarine.
Teams of divers search for treasure chest in Stoney Cove, Leicestershire.
Archaeologists go diving and exploring in Wookey Hole Cave, Somerset.
Teenage boy demonstrates a diving suit he has made himself.
Bones of a dinosaur are lifted from the bottom of a lake in Florida.