Aerial photo taken on Sept. 18, 2018 shows the scenery of Gongtan Ancient Town in Tujia-Miao Autonomous County of Youyang, southwest China's Chongqing Municipality. Gongtan Ancient Town, surrounded by mountains, has a history of over 1,700 years. Abundant of cultural and ecological resources, the ancient town has become a tourist attraction. (Xinhua/Liu Chan)