Cast members of film "Ash is Purest White" pose at Cannes Int'l Film Festival

Director Jia Zhangke of the Chinese film in competition, "Ash is Purest White", poses during a photocall of the 71st Cannes International Film Festival in Cannes, France on May 12, 2018. The 71st Cannes International Film Festival is held from May 8 to May 19. (Xinhua/Chen Yichen)