by national policemen in a provisional camp for earthquake victims during clashes with demonstrators in downtown Port-au-Prince, Feb. 7, 2011. Around 200 protesters demanding that Haiti’s outgoing President Rene Preval leave office immediately, set up burning barricades on Monday and threw stones at the police and U.N. peacekeepers in the capital Port-au-Prince, witnesses said. Source: Reuters

Miami Heat’s LeBron James holds his son, Bryce, during the second half of the South Florida All-Star Classic NBA basketball game, on October 8, 2011, in Miami. (AP Photo/J Pat Carter)

A mask-wearing protester uses his laptop computer in the Occupy LSX camp outside St Paul’s Cathedral, ahead of a demonstration against higher tuition fees and privatization in universities on November 9, 2011 in London, England. Around 4,000 police officers were on duty andwere allowed to deploy baton rounds if needed. (Oli Scarff/Getty Images) #

The 10/110 freeway interchange is seen in Los Angeles, Calif., July 16, 2011. Source: Reuters

Vehicles belonging to forces loyal to Libyan leader Moammar Gadhafi explode after an air strike by coalition forces, along a road between Benghazi and Ajdabiyah March 20, 2011. Source: Reuters

A photograph of the India-Pakistan border released by the NASA. Source: Earth Observatory, NASA

A Sudan People’s Liberation Army (SPLA) soldier stands in line during a rehearsal of the Independence Day ceremony in Juba July 5, 2011. REUTERS/Goran Tomasevic (SUDAN – Tags: SOCIETY POLITICS MILITARY) Source: Reuters

An unidentified severely malnourished Somali refugee child rests inside a ward at the Medecins Sans Frontieres (MSF) hospital at the Dagahale refugee camp in Dadaab, near the Kenya-Somalia border,