Bujumbura, Burundi May 19, 2015 A protester holds his hands up in front of soldiers during a demonstration against Burundi President Pierre Nkurunziza. Burundi police fired tear gas and beat protesters, who are demanding Nkurunziza end his bid for a third term, in a resurgence of unrest that has stoked fears of ethnic conflict in Africa's Great Lakes. é Goran Tomasevic / Reuters Kafr Qaddum, West Bank May 22, 2015 A Palestinian protester prepares to hurl a rock toward Israeli security forces during clashes following a demonstration against the expropriation of Palestinian land by Israel. Jaafar Ashtiyeh/AFP/Getty Images Pucon, Chile May 19, 2015 The Villarrica volcano is seen partially covered by clouds. © Reuters Photographer / Reuter Helwan, Egypt May 14, 2015 A hand of a laborer pushes bricks at a factory in the Arab Mesad district. About 45 laborers are employed at the brick factory and most work 10 hours a day. Adults earn a daily wage of 70 Egyptian pounds ($9) and child workers earn 40 Egyptian pounds ($5). The laborers, who are usually temporary or seasonally employed, experience unsafe work conditions, according to local media. © Amr Dalsh / Reuters Kuala Langsa, Indonesia May 19, 2015 A Bangladeshi migrant who recently arrived in Indonesia by boat, sits inside a shelter after having a haircut in Aceh province. UN agencies urged Indonesia, Malaysia, and Thailand on Tuesday to step up sea rescue operations and stop preventing thousands of desperate migrants from reaching land. Beawiharta Beawiharta/Reuters Sittwe, Myanmar May 21, 2015 An ethnic Rohingya Muslim child looks at a refugee camp outside in Rakhine state. Malaysia ordered search and rescue missions on for thousands of people stranded at sea, as Myanmar hosted talks with U.S. and Southeast Asian envoys on the migrant exodus from its shores. Ye Aung Thu/AFP/Getty Images Tblisi, Georgia May 21, 2015 Georgian servicemen take part in the joint U.S.-Georgian exercise Noble Partner 2015 at the Vaziani training area. Some 600 U.S. and Georgian troops are taking part in the military exercise, aimed at enhancing the two countries' military relationship and training Georgian troops for contribution to the NATO Response Force. Vano Shlamov/AFP/Getty Images Mexico City May 21, 2015 A plane flies past a solar halo. According to meteorologists, the weather phenomenon creates rainbows around the sun and is formed by the reflection of ice crystals. Reuters Kuala Langsa, Indonesia May 19, 2015 A Rohingya boy, who recently arrived in Indonesia by boat, holds his ball as he walks to a shelter in Aceh province. Beawiharta Beawiharta/Reuters Sittwe, Myanmar May 21, 2015 An ethnic Rohingya Muslim woman holds an umbrella at a camp set up in Rakhine state. Ye Aung Thu/AFP/Getty Images Goleta, California May 20, 2015 Volunteers carry buckets of oil from a slick along the coast of Refugio State Beach. A pipeline ruptured along the scenic California coastline Tuesday, spilling some 21,000 gallons of oil into the ocean and on beaches before it could be secured, a U.S. Coast Guard spokeswoman said. Lucy Nicholson/Reuters Bujumbura, Burundi May 13, 2015 A man uses a mask to obscure his identity during a march against President Pierre Nkurunziza's decision to run for a third term. Demonstrators are wearing masks to hide their identities as street protests continue after a failed military coup. Materials used range from grass and leaves to bin liners and old fabric to plastic bags, while woolly hats make impromptu balaclavas. Goran Tomasevic/Reuters