Spectators flee as waves created by a tidal bore crash over a barrier on the Qiantang River at Haining, in east China’s Zhejiang province, Aug. 31, 2011. About 20 people were injured when they were caught too close to the river while viewing the annual tidal bore, which occurs when sea water from an unusually high tide funnels into the river, creating high waves. (AP Photo)

Participants perform at the International Military Music Festival at Red Square in Moscow, Aug. 31, 2011. St. Basil Cathedral, left, and Spasskaya tower, right, are seen at the background. (Mikhail Metzel/AP Photo)

A Louisiana National Guard helicopter dumps water on a burning marsh fire in Eastern New Orleans, Aug. 31, 2011. Haze from the fire was reported as far west as the Baton Rouge metro area, the National Weather Service said. It expanded its smoke alert from New Orleans and six suburban parishes to 23 parishes, including towns 100 miles from New Orleans. (Gerald Herbert/AP Photo)

Lenny Kravitz performs during Samsung AT&T Summer Krush 2011 Concert Series at Terminal 5, Aug. 31, 2011 in New York. (Kevin Mazur/WireImage for Samsung)

Elementary school children take cover under their desks as part of a nationwide earthquake drill at a Tokyo elementary school, Sept. 1, 2011. (Yoshikazu Tsuno/AFP/Getty Images)

Ignisious Gaisah of Ghana competes in the Men’s Long Jump qualification round during Day 6 of the 13th IAAF World Athletics Championships at the Daegu Stadium in Daegu, South Korea, Sept. 1, 2011. (Alexander Hassenstein/Bongarts/Getty Images)

Crewmembers prepare to unload a large consignment of Libyan currency from a Royal Air Force C-17 aircraft at an airfield in Benghazi, Libya, Aug. 31, 2011. Around 280 million Libyan dinar banknotes from Britain — money frozen under United Nations sanctions at the start of the Libyan crisis — has now been released and delivered back to Libya. (Gareth Little/Ministry of Defence/AP Photo)

A visitor tries out the new glass Skywalk at the top of the refurbished Blackpool Tower in Blackpool, England, Sept. 1, 2011, as it reopened to the general public today. (Christopher Furlong/Getty Images)