Divers investigate the area, where an American tourist has killed, on the Greek island of Santorini, Monday, May 23, 2011. Greek police say a boulder dislodged from towering volcanic cliffs on the ... more 
Divers investigate the area, where an American tourist has killed, on the Greek island of Santorini, Monday, May 23, 2011. Greek police say a boulder dislodged from towering volcanic cliffs on the resort island has killed the American tourist and injured four foreign women. (AP Photo / Eurokinissi) GREECE OUT less 
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Associated Press
Mon, May 23, 2011 4:04 PM EDT