Closeup: Best Pictures of the Week, May 6 – May 13

May 10, 2011. U.S. Marines rush a wounded compatriot through a dust storm kicked up by a U.S. helicopter near Sangin, Afghanistan.

May 7, 2011. A farmer in the Helmand province of Afghanistan raises his hands after Lance Corporal Michael Horne of the U.S.’s 2nd Marine Division draws his weapon.

May 11, 2011. An injured Afghan boy who suffered severe burns lays on a stretcher in a medevac helicopter from the US Army's Task Force Lift "Dust Off", Charlie Company 1-214 Aviation Regiment on his way to hospital from Musa Qalah, Helmand Province, southern Afghanistan.

May 7, 2011. Both equine and human members of Europe’s Epona Spanish Riding School perform in Budapest. The school was honoring the Royal Guards of Hungary’s past.

May 6, 2011. Palestinians throw bricks and rocks at an Israeli car in the Silwan neighborhood of East Jerusalem.

May 12, 2011. Cars crashed by debris in Lorca, southern Spain after a magnitude 5.1 quake killed at least 8 people, toppling buildings into the streets and sending panicked residents fleeing. Thousands of terrified Lorca residents spent a night shivering in parking lots, public squares and playgrounds fearing aftershocks from a quake of an intensity they never expected.

May 8, 2011. No, they aren’t bulls. But these two horned cows of the Herens breed went at it during the final Battle of the Queens in the Swiss village of Aproz. The battle is an Alpine ritual dating back to at least 1923.

May 7, 2011. Pope Benedict XVI nearly fell at St. Mark’s Square in Venice. Cardinal Angelo Scola, right, and two other Vatican officials helped him regain his red-shoed footing.

May 9, 2011. General view of the set-up "Leviathan" by Indian born, British based, artist Anish Kapoor for the Monumenta 2011 event in the Nave of the Grand Palais in Paris.

May 11, 2011. One of the beauties at the Windsor Castle horse show in England looks through its royal blue headgear. The animal exhibition began in 1943.

May 6, 2011. A man walks the grounds of a housing project in Cabaret, Haiti. The land was donated to Mission of Hope, a Christian group dedicated to building 500 homes there.

May 9, 2011. A Libyan woman works outside her tent in Dehiba, near the Libya-Tunisia border. An estimated 20,000 displaced people have ended up in Dehiba.

May 6, 2011. An Afghan man catches pigeons on a rooftop in the old city of Kabul.

May 10, 2011 - Cars lie submerged in overflow water from the Wolf River on McMiller Road near Jackson. After weeks of rising to historic levels the Mississippi River reached a crest just shy of the forecasted 48 feet at the Memphis gauge.

May 7, 2011. An artist welds a cage to trap himself in the corner of the outside wall of the embattled Tacheles art centre, to protest against a possible eviction, in Berlin. The artists who occupied the early 20th century department store shortly after Berlin's reunification are facing eviction as the property is put up for sale to investors.

May 6, 2011. A Mexican soldier shows a gun through a security window in the military zone of Mexico City. Members of Mexican drug gangs often ornament their weapons with gold and elaborate carvings. 70 -80 percent of all seized guns are melted down. Usable weapons that conform with military regulations are sometimes given to the army.

May 12, 2011. A Bosnian Muslim woman reacts, near the coffin of her relative during a mass funeral for Bosnian Muslims in Bratunac, 140 kms northeast from Sarajevo, Bosnia. Thousands of Bosnian Muslims attended at funeral of 16 men, women and children killed by Bosnian Serb forces at the beginning of the Bosnian 1992-95 war in Bosnian town of Bratunac. All of the bodies were found and exhumed from a mass grave and identified by DNA method.

May 12, 2011. Ugandan riot policemen fire coloured tear gas canisters to disperse supporters of opposition Forum for Democratic Change during a procession to welcome their leader Kizza Besigye in the capital Kampala.

May 12, 2011. A worker uses a high pressure hose to clean the roof of Congress, in Brasilia. Congress couldn't reach consensus on the new Forestry Law being debated, and delayed the voting until next week.