Divers using oxygen tanks get into water on May 17, 2012 in the Mediterranean Sea off the coast of Marseille, southern France. AFP PHOTO / BORIS HORVAT (Photo credit should read BORIS HORVAT/AFP/GettyImages)
Divers using oxygen tanks get into water on May 17, 2012 in the Mediterranean Sea off the coast of Marseille, southern France. AFP PHOTO / BORIS HORVAT (Photo credit should read BORIS HORVAT/AFP/GettyImages)