A number of ancient Roman statues might lie beneath the turquoise waters of the Blue Grotto on the island of Capri in southern Italy, according to an underwater survey of the sea cave. Dating to the 1st century A.D., the cave was used as a swimming pool by the Emperor Tiberius (42 B.C. - 37 A.D.), and the statues are probably depictions of sea gods. "A preliminary underwater investigation has revealed several statue bases which might possibly hint to sculptures lying nearby," Rosalba Giugni, president of the environmentalist association, Marevivo, told Discovery News. [...]