Divers excavate the wreck site of the Portuguese explorer Vasco da Gama's ship. The Esmeralda was commanded by Da Gama's uncle, who went down with all aboard in 1503.
Blue Water Recoveries' expedition ship is seen in Ghubbat ar Rahib bay, in the area where the Esmeralda was found off Al Hallaniyah island in Oman's Dhofar region.
This undated photo made available by Blue Water Recoveries company shows a rare silver coin called an Indio discovered from the debris of the Portuguese ship Esmeralda.
A Blue Water Recoveries diver sweeps the ocean floor in search of artifacts from the Esmeralda.
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