A doctor asks about Chinese peacekeeper Huo Yahui's health condition on an ambulance in Beijing, capital of China, July 17, 2016. The two seriously injured peacekeepers, Chen Ying and Huo Yahui, were airlifted to Beijing aboard a specialist medical rescue plane sent by the Chinese military for specialized treatment and operations. Two Chinese peacekeepers under the UN Mission in South Sudan were killed and four others injured on last Sunday evening as the fighting between government and anti-government forces continued. [Photo/Xinhua]