Aerial photo taken on Oct. 14, 2018 shows the Tianti Mountain Grotto in Wuwei City, northwest China's Gansu Province. With a history of 1,600 years, the Tianti Mountain Grotto is one of the earliest grottos excavated in China. (Xinhua/Fan Peishen)
Photos taken on Oct. 14, 2018 shows the Tianti Mountain Grotto in Wuwei City, northwest China's Gansu Province. (Xinhua/Fan Peishen)
Competitors fly a big kite at a kite flying contest held at Lulanqingsha scenic spot in Daishan County of Zhoushan, east China's Zhejiang Province, Oct. 14, 2018. (Xinhua/Yao Feng)
Photo taken on Oct. 14, 2018 shows the scene of a kite flying contest held at Lulanqingsha scenic spot in Daishan County of Zhoushan, east China's Zhejiang Province. (Xinhua/Yao Feng)