Aerial view of Guniu Mountain in Yunnan

Aerial photo taken on Aug. 30, 2018 shows the scenery of the mist-enveloped Guniu Mountain in the Dongchuan District of Kunming, capital of southwest China's Yunnan Province. (Xinhua/Yang Zongyou) 

A winding road on Guniu Mountain

Aerial photo taken on Aug. 30, 2018 shows a winding road on Guniu Mountain in the Dongchuan District of Kunming, capital of southwest China's Yunnan Province. (Xinhua/Yang Zongyou)

Aerial photo taken on Aug. 30, 2018 shows the scenery of Guniu Mountain canyon in the Dongchuan District of Kunming, capital of southwest China's Yunnan Province. (Xinhua/Yang Zongyou)

Tourists go sightseeing on mist-enveloped Guniu Mountain in the Dongchuan District of Kunming, capital of southwest China's Yunnan Province. (Xinhua/Yang Zongyou)