Citizens view autumn scenery in Huaxi of Guiyang, southwest China's Guizhou Province, Oct. 14, 2020. (Photo by Zhang Hui/Xinhua)

People pick tea leaves at a tea garden in Zouma Town of Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Oct. 13, 2020. (Photo by Yang Shunpi/Xinhua)

Photo taken on Oct. 14, 2020 shows the autumn view in Huaxi of Guiyang, southwest China's Guizhou Province. (Photo by Zhang Hui/Xinhua)

Aerial photo taken on Oct. 14, 2020 shows a view in Weiyuan County of Dingxi, northwest China's Gansu Province. (Photo by Wang Kexian/Xinhua)

Aerial photo taken on Oct. 14, 2020 shows a view in Weiyuan County of Dingxi, northwest China's Gansu Province. (Photo by Wang Kexian/Xinhua)

Photo taken on Oct. 14, 2020 shows maple trees at Lengshuidong park in Qixingguan District of Bijie, southwest China's Guizhou Province. (Photo by Chen Xi/Xinhua)

Aerial photo taken on Oct. 14, 2020 shows a view of the national wetland park in Zhangye, northwest China's Gansu Province. (Photo by Chen Li/Xinhua)

Aerial photo taken on Oct. 14, 2020 shows a view of the national wetland park in Zhangye, northwest China's Gansu Province. (Photo by Chen Li/Xinhua)

Photo taken on Oct. 14, 2020 shows a view along the Nanming River in Guiyang, southwest China's Guizhou Province. (Photo by Zhao Song/Xinhua)

Aerial photo taken on Oct. 13, 2020 shows people picking tea leaves at a tea garden in Zouma Town of Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. (Photo by Yang Shunpi/Xinhua)