Street children sleep on a discarded mattress on a center island near a road crossing in Manila, Philippines, in April. After 15 years of the Millennium Development Goals, Asia as a region has had the fastest progress, reports the U.N., yet hundreds of millions of people there remain in extreme poverty. Jay Directo/AFP/Getty Images hide caption

itoggle caption Jay Directo/AFP/Getty Images

Burundi's President Pierre Nkurunziza walks with military officials during the country's Independence Day on Wednesday. Despite criticism at home and abroad, the president is defying a two-term limit and running for a third term in an election set for the middle of July. Berthier Mugiraneza/AP hide caption

itoggle caption Berthier Mugiraneza/AP

Principal Ali Shalalha stands at the entrance of the high school. Though the school has closed for summer, it's filled with students who are studying for exams. Tanya Habjouqa for NPR hide caption

itoggle caption Tanya Habjouqa for NPR