Omar Mohamed, left, and his brother, Hassan. In the graphic memoir he coauthored, When Stars Are Scattered, Mohamed shares what their life was like in the refugee camps in Kenya — and their journey to resettlement in the U.S. Omar Mohamed hide caption
Clemantine Wamariya, who fled Rwanda as a girl, is now a U.S. citizen. She is a human rights advocate and a speaker. Steve Jennings/Getty Images for Free The Children hide caption
A group of Honduran migrants are detained along the U.S.-Mexico border by Mexican police after attempting to cross the border barrier into the U.S. Mario Tama/Getty Images hide caption
A migrant receives medical attention at a former paper factory in Greece that has been turned into a makeshift camp. Menelaos Michalatos/SOPA Images/LightRocket via Getty Images hide caption
James Jean and Patrice Worthy, photographed in New York City. They model clothing by Ikiré Jones. Rog Walker for Ikiré Jones hide caption
A demonstration in Copenhagen, Denmark, in support of Syrian migrants. A new study looks at the benefit of offering physical and psychological support to refugees who have been tortured. Frédéric Soltan/Corbis via Getty Images hide caption
A Nigerian sex worker in Italy waits for clients. Antonio Calanni/AP hide caption
A Rohingya refugee carries a bag of food in the Hakimpara camp in Bangladesh. Allison Joyce for NPR hide caption
A woman carries water up a steep hill in the Balukhali Rohingya refugee camp in Bangladesh. Aid workers say these slopes may collapse in the coming monsoon rains. Allison Joyce for NPR hide caption
By mid-January, there had been nearly 5,000 reported cases of diphtheria in the camps and 33 deaths. Allison Joyce for NPR hide caption
Mohamed Yonus (dark shirt, green skirt) carries his distribution bag to his home in the Hakimpara refugee camp. Allison Joyce for NPR hide caption
Syrian Kurds take cover from the rain after crossing the border between Syria and Turkey. Bulent Kilic /AFP/Getty Images hide caption
United Nations Secretary General Antonio Guterres speaks at the U.N. headquarters on January 16. Atilgan Ozdil/Getty Images hide caption
Women carry sacks of food, airdropped by the World Food Programme, this past summer in Jonglei, South Sudan. Albert Gonzalez Farran /AFP/Getty Images hide caption
'Sesame Street' has many versions around the world. Above: its new Afghan characters, 6-year-old Zari (left) and her brother, Zeerak. Rahmat Gul/AP hide caption
Marjan practices at the Afghanistan National Institute of Music in Kabul. Rachel Corner/De Beeldunie hide caption
The white Peugeot 405, the vehicle of choice for the Syrian secret police, is parked outside a home in Damascus. In the diorama's upper left corner hangs a camera, suggesting surveillance. Rodney Nelson hide caption
Robert Hakiza, who started a soccer tournament to unite refugees in Africa, sits on a bench in Washington, D.C. Josh Loock/NPR hide caption
Syrian children who fled Raqqa, where the U.S.-backed Syrian Democratic Forces defeated the Islamic State group, are now living in a refugee camp. They hold pots as they line up for food. Hussein Malla/AP hide caption
Morzina, a 40-year-old Rohingya refugee from Tangbazar, Myanmar, winces in pain at the Sadar Hospital in the Bangladeshi town of Cox's Bazar. Soldiers from Myanmar's army smashed her in the ribs with a rifle butt as they raided her home in early September. Tommy Trenchard/Panos Pictures hide caption
Benjamin Raphael of Nigeria (left) is a salesman who had never picked up a paint brush before he found asylum in Italy. Sylvia Poggioli/NPR hide caption