U.N. Secretary-General Ban Ki-Moon (in white-and-blue vest) joins other leaders at the 2015 International Women's Day March at Dag Hammarskjold Plaza on March 8 in New York City.
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King Abdullah (right) and Crown Prince Salman (left) are shown in this 2012 poster. The king, who is at least 90, was hospitalized last week and Salman on Tuesday stepped in for the monarch and delivered an annual televised speech to the nation.
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NATO has reported a spike in Russian military activity at sea and in NATO and other western European countries' airspace as tensions have mounted over Ukraine. Here, a Russian military long-range bomber aircraft flies in international airspace on Oct. 29.
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American Ryan Boyette, left, works with Yassin Hassen, right, in an interview with a rebel in Sudan's Nuba Mountains. Boyette started the Nuba Reports website in 2011 and recruited Hassen to join as a citizen journalist.
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