Aerial photo taken on Dec. 6, 2020 shows the winter scenery of metasequoia at Baidishi Village in Qidong County of Hengyang, central China's Hunan Province. (Photo by Cao Zhengping/Xinhua)

Aerial photo taken on Dec. 6, 2020 shows cyclists riding amid metasequoia at Baidishi Village in Qidong County of Hengyang, central China's Hunan Province. (Photo by Cao Zhengping/Xinhua)

Aerial photo taken on Dec. 6, 2020 shows the winter scenery of metasequoia at Baidishi Village in Qidong County of Hengyang, central China's Hunan Province. (Photo by Cao Zhengping/Xinhua)