Rohingya refugees pray before burying Mohammed Hosain, 2, in Cox's Bazar, Bangladesh, Sept. 29, 2017. Doctors Without Borders has estimated that at least 6,700 members of Myanmar’s Rohingya Muslim minority, including 730 children below the age of 5, had met violent deaths there in the month after a military crackdown on their villages. (Tomas Munita/The New York Times)