Lightning strikes behind the Mandalay Bay (L) and the Luxor hotel casinos as a thunderstorm passes through Las Vegas, Nevada early in the morning of September 11, 2011. (REUTERS/Steve Marcus)
Lightning strikes behind the Mandalay Bay (L) and the Luxor hotel casinos as a thunderstorm passes through Las Vegas, Nevada early in the morning of September 11, 2011. (REUTERS/Steve Marcus)