Pictured are the remains of a wooden ship on the seafloor in the Fourni archipelago Greek islands. The discovery of this shipwreck is part of a larger discovery of 45 ships in this archipelago. Read more about the discovery here.
The image was captured by Vasilis Mentogianis during the 2016 expidition to the Fourni archipelago.
Image credit: Vasilis Mentogianis