Aerial photo taken on July 14, 2019 shows tourists taking boats on the Tianchi Lake of the Cuihua Mountain of the Qinling Mountains in Xi'an, northwest China's Shaanxi Province. (Xinhua/Liu Xiao)
Tourists take boats on the Tianchi Lake of the Cuihua Mountain of the Qinling Mountains in Xi'an, northwest China's Shaanxi Province, July 14, 2019. (Xinhua/Liu Xiao)
Tourists take boats on the Tianchi Lake of the Cuihua Mountain of the Qinling Mountains in Xi'an, northwest China's Shaanxi Province, July 14, 2019. (Xinhua/Liu Xiao)
Aerial photo taken on July 14, 2019 shows a view of the Cuihua Mountain of the Qinling Mountains in Xi'an, northwest China's Shaanxi Province. (Xinhua/Liu Xiao)