In this aerial photo taken Jan. 20, 2011, Afghan men stand next to an auto rickshaw near farmers' fields as seen from a medevac helicopter of the U.S. Army's Task Force Shadow "Dust Off", Charlie Company 1-214 Aviation Regiment near Marjah in the volatile Helmand Province, Southern Afghanistan.

n this Aug. 9, 2011 photo, a property is on fire near Reeves Corner in Croydon, south London. A wave of violence and looting raged across London and spread to three other major British cities, as authorities struggled to contain the country's worst unrest since race riots set the capital ablaze in the 1980s.

In this Aug. 24, 2011 photo, India's anti-corruption activist Anna Hazare rests in front of a giant portrait of Mahatma Gandhi on the ninth day of his hunger strike, in New Delhi, India.

In this March 11, 2011 photo, a tsunami floods over the breakwater protecting the coastal city of Miyako at Heigawa estuary area after northeastern Japan was hit by a powerful earthquake.

In this March 19, 2011 photo, a warplane of Gadhafi's forces is seen being shot down over the outskirts of Benghazi, eastern Libya.

In this Aug. 22, 2011 photo, burning oil tankers carrying fuel for Nato forces in neighboring Afghanistan are seen along a road after being attacked by gunmen on the outskirts of Quetta, Pakistan.