A lone survivor in a group of Italian tourists killed while scuba diving escaped death in the Maldives Thursday — because she stayed behind on a yacht while her friends took the plunge. A sixth diver, a student at University of Genoa, never entered the water as the rest of the group dove 160-feet into a cave in Vaavu Atoll Thursday, according to the Italian media outlet liberoquotidiano.it. It wasn’t immediately clear why she stayed behind on the yacht, named Duke of York, while the rest of her