A man pours earth Wednesday onto a grave of one of the workers who died last week in the building collapse in Bangladesh. Wong Maye-E/AP hide caption

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Bolivian President Evo Morales sings his national anthem during the annual May Day march in La Paz on Wednesday. He announced during a speech that he was expelling the U.S. Agency for International Development from the country. Juan Karita/AP hide caption

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In this image taken from video, South African President Jacob Zuma sits with ailing anti-apartheid icon Nelson Mandela on Monday. Mandela was hospitalized in late March with a lung infection, and in images from the visit, appeared largely unresponsive. SABC/AP hide caption

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Soldiers with the British Machine Gun Corps wear gas masks in 1916 during World War I's first Battle of the Somme. General Photographic Agency/Getty Images hide caption

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Afghan President Hamid Karzai acknowledged a report this week that the CIA has regularly been sending him money. Afghans seem to have mixed feelings. The president is shown here speaking at an event in Kabul on March 10. S. SABAWOON/EPA/Landov hide caption

itoggle caption S. SABAWOON/EPA/Landov

A Customs and Border Protection officer explains to arriving international passengers at Los Angeles International Airport how to provide their fingerprints. While visitors are fingerprinted and photographed upon arrival in the U.S., they are currently not tracked upon departure. Reed Saxon/AP hide caption

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A Bangladeshi soldier walks through rows of burnt sewing machines Nov. 25, after a fire in the nine-story Tazreen factory in Savar, near Dhaka. The fire killed 112 people. AFP/Getty Images hide caption

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