Tourists enjoy scenery inside a cave in Guilin, south China's Guangxi Zhuang Autonomous Region, Aug. 12, 2026. (Xinhua/Zhang Ailin)NANNING, Aug. 15 (Xinhua) -- Guangxi Zhuang Autonomous Region, south China, has tapped the tourism potential of its caves in recent years, developing them into popular attractions while ensuring visitor safety.Tourists visit a cave in Chongzuo, south China's Guangxi Zhuang Autonomous Region, May 30, 2026. (Xinhua/Cao Yiming)Tourists visit a cave in Mashan County of Nanning, south China's Guangxi Zhuang Autonomous Region, July 25, 2026. (Xinhua)Tourists rest in a cave in Guilin, south China's Guangxi Zhuang Autonomous Region, Aug. 12, 2026. (Xinhua/Zhang Ailin)Tourists rest in a cave in Guilin, south China's Guangxi Zhuang Autonomous Region, Aug. 12, 2026. (Xinhua/Zhang Ailin)Tourists visit a cave in Guilin, south China's Guangxi Zhuang Autonomous Region, Aug. 12, 2026. (Xinhua/Zhang Ailin)■