Torchbearer Wang Zhizhi (L) lights the torch with Xiao Dong during a ritual ceremony for the lighting of the flame for the 7th Military World Games and torch relay in Nanchang, east China's Jiangxi Province. (Xinhua/Wan Xiang)

Fang Minglu lights the flame out of a concave mirror using the sun's rays during a ritual ceremony for the lighting of the flame for the 7th Military World Games and torch relay in Nanchang, east China's Jiangxi Province, on Aug. 1, 2019. (Xinhua/Peng Zhaozhi)

Fang Minglu lights the flame out of a concave mirror using the sun's rays during a ritual ceremony for the lighting of the flame for the 7th Military World Games and torch relay in Nanchang, east China's Jiangxi Province, on Aug. 1, 2019. (Xinhua/Peng Zhaozhi)

Fang Minglu (front R) carries the flame during a ritual ceremony for the lighting of the flame for the 7th Military World Games and torch relay in Nanchang, east China's Jiangxi Province, on Aug. 1, 2019. (Xinhua/Peng Zhaozhi)

Fang Minglu (front R) carries the flame during a ritual ceremony for the lighting of the flame for the 7th Military World Games and torch relay in Nanchang, east China's Jiangxi Province, on Aug. 1, 2019. (Xinhua/Peng Zhaozhi)