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U.S. Secretary of Defense Chuck Hagel tours the Forbidden City in Beijing, China, April 9, 2014. (Alex Wong/Getty Images)

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Turkish Prime Minister Recep Tayyip Erdogan speaks during a news conference on October 31, 2012 in Berlin, Germany. (Adam Berry/Getty Images)

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A commemorative service in Mumbai, September 11, 2006. (INDRANIL MUKHERJEE/AFP/Getty Images)

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Activists march on May 15, 2014 in the streets of Kenya's capital Nairobi demanding the release of more than 200 schoolgirls abducted from schools in nothern Nigeria by muslim extremist group Boko-haram.(TONY KARUMBA/AFP/Getty Images)