A tree blown over from Hurricane Isaac lies atop a cemetery tomb on August 29, 2012 in Oakville, in Plaquemines Parish, Louisiana. The parish, south of New Orleans, was the most heavily damaged by the hurricane. The system, which was downgraded to a tropical storm by the National Weather Service, moved slowly across the state, dumping large amounts of rain and knocking out power to half a million Louisianans. (Photo by John Moore)
