Aerial photo taken on Oct. 18, 2018 shows tourists visiting the scenery of Lijiang River at Xingping Town in Yangshuo County of Guilin, south China's Guangxi Zhuang Autonomous Region. Guilin, in the northern part of Guangxi, is known for its picturesque karst mountains and beautiful rivers. It has become a popular tourist attraction. (Xinhua/Zhang Ailin)