A man visits a ginkgo forest in Luanxie Village of Shahe City, north China's Hebei Province, Oct. 31, 2019. The Taihang mountains attract lots of visitors as the leaves change colors in autumn.(Photo: Xinhua)

Photo taken on Oct. 31, 2019 shows red leaves in Dashuijiao Village of Wu'an City, north China's Hebei Province. The Taihang mountains attract lots of visitors as the leaves change colors in autumn. (Photo: Xinhua)

Aerial photo taken on Oct. 31, 2019 shows ginkgo trees along a road in Luanxie Village of Shahe City, north China's Hebei Province. The Taihang mountains attract lots of visitors as the leaves change colors in autumn.(Photo: Xinhua)

Photo taken on Oct. 31, 2019 shows ginkgo leaves in Luanxie Village of Shahe City, north China's Hebei Province. The Taihang mountains attract lots of visitors as the leaves change colors in autumn.(Photo: Xinhua)

Aerial photo taken on Oct. 31, 2019 shows ginkgo trees along a road in Luanxie Village of Shahe City, north China's Hebei Province. The Taihang mountains attract lots of visitors as the leaves change colors in autumn.(Photo: Xinhua)

Aerial photo taken on Oct. 31, 2019 shows ginkgo trees along a road in Luanxie Village of Shahe City, north China's Hebei Province. The Taihang mountains attract lots of visitors as the leaves change colors in autumn.(Photo: Xinhua)