Paralympic Champion Yang Bozun (C) and Olympic Champion Li Shan (R) light the flame out of a concave mirror using the sun's rays during a ritual ceremony for the lighting of the flame and torch relay for the 10th National Games for the Disabled and the 7th National Special Olympic Games of the People's Republic of China, in Tianjin, north China, Aug. 18, 2019. (Xinhua/Li Ran)