South Korean troops carry coffins containing remains of martyrs of the Chinese People's Volunteers (CPV) killed in the 1950-1953 Korean War, during a transfer ceremony at the Incheon International Airport in Incheon, South Korea, April 3, 2019. South Korea on Wednesday transferred to China the remains of 10 more Chinese martyrs killed in the Korean War. (Xinhua/Wang Jingqiang)