U.S. soldiers prepare to raise the American flag during a memorial ceremony to commemorate the 16th anniversary of the 9/11 attacks, in Kabul

U.S. soldiers prepare to raise the American flag during a memorial ceremony to commemorate the 16th anniversary of the 9/11 attacks, in Kabul

US soldiers prepare to raise the American flag during a memorial ceremony in Kabul to commemorate the 16th anniversary of the 9/11 attacks on Sept. 11, 2017. Photo: Reuters/Mohammad Ismail

September 13, 2017 11:34 AM (UTC+8)