Mohammed Emwazi is a Kuwaiti-born Londoner believed to be "Jihadi John," the central figure in the beheading videos released by the self-declared Islamic State. A British group, Cage, was in contact with Emwazi several years ago and claims that his treatment by British security officials contributed to his radicalization. Kyodo/Landov hide caption

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A Lego model of All Souls Church rests on the altar, which was retained when the Bolton, England, church was renovated into an interfaith community center. The model was built by children taking part in an after-school program there. Ari Shapiro/NPR hide caption

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Members of the Muslim community leave the East London Mosque after prayers before the start of the holy month of Ramadan in June 2014. The mosque has an estimated 7,000 worshippers. Rob Stothard/Getty Images hide caption

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An Iraqi child who fled fighting between the so-called Islamic State and Kurdish peshmerga is among the some 3,000 people living at the Baharka camp, near Irbil, the capital of the Kurdish autonomous region in northern Iraq, on Jan. 16. Safin Hamed/AFP/Getty Images hide caption

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Traditional desserts, like these served in 2010 at the original Naranj restaurant in Damascus, offer sweet, familiar flavors at the restaurant's various locations in the Middle East. A platter like this shows up at the end of every meal at Naranj, and all the pastries are made in-house. Jan Smith/Flickr hide caption

itoggle caption Jan Smith/Flickr

Kurdish Peshmerga fighters take positions on the outskirts of Mosul on Jan. 26. The U.S. military says an offensive to drive the Islamic State out of Mosul is expected around April or May. Azad Lashkari/Reuters /Landov hide caption

itoggle caption Azad Lashkari/Reuters /Landov

Training at a new camp near the front line, a mix of Arabs and Kurds prepare for an assault on Mosul in upcoming months. The men will wear balaclavas to conceal their identities while they fight, because they have family in Mosul and don't want to put their relatives at risk. Ari Shapiro/NPR hide caption

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Alfafar, a suburb of Valencia, Spain, is suffering from a poor economy and high unemployment. A quarter of homes are abandoned. Here, a cafe is still open on the ground floor of an abandoned municipal building in Alfafar's Orba neighborhood, but upper floors used to house shops. A pair of Spanish architects hopes to revitalize the high-density housing in this working-class area. Lauren Frayer/NPR hide caption

itoggle caption Lauren Frayer/NPR

Before ISIS attacked it, the northern Iraqi town of Snuny had a population of nearly 150,000 — a mix of Kurdish Muslims and Yazidis, who belong to a religious ethnic minority in this region. Only about 10,000 have returned after Kurdish fighters reclaimed the city. Ari Shapiro/NPR hide caption

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The temple of Sharfadin in Northern Iraq is 800 years old, and followers of the Yazidi religion consider it one of the most sacred sites in the world. Though ISIS tried to destroy it, a small group of Yazidi fighters kept the shrine standing. Ari Shapiro/NPR hide caption

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An Iraqi man inspects the remains of what are believed to be members of the Yazidi minority, in the northern village of Sinuni on Feb. 3. Safin Hamed/AFP/Getty Images hide caption

itoggle caption Safin Hamed/AFP/Getty Images