Tourists enjoy the autumn scenery at Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province, on Oct. 22, 2020. (Xinhua/Wang Ding)

Photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Wang Ding)

Aerial photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Wang Ding)

Aerial photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Hao Yuan)

Tourists enjoy the autumn scenery at Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province, on Oct. 22, 2020. (Xinhua/Wang Ding)

Photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Zhu Xiang)

Photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Wang Ding)

Photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Zhu Xiang)

Photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Zhu Xiang)

Aerial photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Hao Yuan)

Aerial photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Hao Yuan)

Aerial photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Hao Yuan)

Photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Zhu Xiang)

Aerial photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Hao Yuan)

A tourist takes photos at the Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province, on Oct. 22, 2020. (Xinhua/Zhu Xiang)

Photo taken on Oct. 22, 2020 shows the autumn scenery of Qingtianhe scenic area in Boai County of Jiaozuo City, central China's Henan Province. (Xinhua/Zhu Xiang)