The excavation at Ahihud in the Galilee region of Israel where archaeologists found fava beans dating back 10,000 years. Yaron Bibas/Courtesy of Israel Antiquities Authority hide caption

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The charred remains of the Doctors Without Borders hospital is seen on Oct 16, almost two weeks after it was hit by a U.S. airstrike in Kunduz, Afghanistan. Najim Rahim/AP hide caption

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Army soldiers and police patrol a street in the center of Brussels on Wednesday. Students are returning to class after a shutdown over fears that a series of simultaneous attacks could be launched around the Belgian capital. Geert Vanden Wijngaert/AP hide caption

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This frame grab from video by Haberturk TV shows a Russian warplane on fire before crashing on a hill Tuesday, as seen from Turkey's Hatay province. Turkey shot down the Russian warplane Tuesday, claiming it had violated Turkish airspace. Russia denied that the plane crossed the Syrian border into Turkish skies. AP hide caption

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Paris Prosecutor Francois Molins delivers a press conference Tuesday about the Nov. 13 attacks that claimed 130 lives in the French capital. Loic Venance/AFP/Getty Images hide caption

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