South Korean President Lee Myung-bak (right) was joined by U.S. Gen. Walter Sharp, commander of American forces in Korea, during a visit to a U.S. base in Seoul as the two countries take part in joint military exercises. Kim Yong-wi/Presidential Blue House/AFP/Getty Images hide caption

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Shin Eung-ho eats pizza and talks on the phone inside a togulbang, a small capsule-like room, at Inspa World in Incheon, South Korea. The 12-year-old fled Yeongpyeong island with his family. Doualy Xaykaothao/For NPR hide caption

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Mobile banking clients in Mchinji, Malawi, learn the ropes from customer service officer Clean Chendera (left). Courtesy of Opportunity International hide caption

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Charred remains of houses on Yeonpyeong, two days after the island was subjected to a barrage of 170 artillery shells, fired by the North Korean army. Louisa Lim/NPR hide caption

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Destroyed houses are seen on Yeonpyeong Island, South Korea, after Tuesday's artillery exchange between North and South Korea. Tuesday's skirmish along the disputed frontier has raised tensions between the rivals to their highest level in more than a decade. Yonhap/AP hide caption

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South Korean Defense Minister Kim Tae-young walks past a Vietnamese naval honor guard during a welcoming ceremony for a defense ministers meeting in Hanoi on Oct. 12. Hoang Dinh Nam/AFP/Getty Images hide caption

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