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Presidential candidates Donald Trump pauses during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. (Justin Sullivan/Getty Images)

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Workers sewing in a clothing factory in Bozhou, east China's Anhui province, November 16, 2013. (STR/AFP/Getty Images)

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Damaged icons inside the church of the monastery of Saint Takla in the ancient Christian town of Maalula, May 14, 2014. (JOSEPH EID/AFP/Getty Images)

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Sunrise at the U.S. Capitol, October 5, 2013 in Washington, DC. (Chris Maddaloni/Getty Images)

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Then-Turkish Prime Minister Recep Tayyip Erdogan (R) and Russia's president Vladimir Putin give a press conference in Istanbul on December 3, 2012. (BULENT KILIC/AFP/Getty Images)

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U.S. Supreme Court Associate Justice Antonin Scalia addresses a Northern Virginia Technology Council breakfast December 13, 2006 in McLean, Virginia. (Alex Wong/Getty Images)