On April 29, 1975, as Saigon was falling to Communist North Vietnamese forces, a small U.S. Navy destroyer escort ship, the USS Kirk, played a dramatic but almost forgotten role in rescuing up to 30,000 South Vietnamese. Here, a member of the USS Kirk's crew tends to a Vietnamese baby. Hugh Doyle hide caption

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More than half of the world's Muslims live along the 10th Parallel; so do most of the world's Christians. It's a place where ideological -- and geographic -- conflicts often arise. iStockphoto.com hide caption

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Zurif Kar, Hafiz Ullah, Abdul Majid and Sherun Kardarbush take shelter on top of the levee that has -- so far -- saved the city of Shahdadkot from the raging floodwaters. Susannah George/NPR hide caption

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Aijalon Gomes with Ji Chul-ho, a North Korean refugee. Courtesy of Ji Chul-ho hide caption

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A Pakistani man donates clothes for flood victims at a stand set up by the banned Islamist group Jamaat-ud-Dawa. Activists for the group collected money and distributed food and clothing for flood victims. A. Majeed/Getty Images hide caption

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Villagers, displaced from their homes by flooding, fight for bags of flour during relief distribution Friday on the outskirts of Muzaffargarh in Punjab province. Daniel Berehulak/Getty Images hide caption

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