Aerial photo taken on Jan. 11, 2021 shows the winter scenery of a scenic spot in Mohe City, northeast China's Heilongjiang Province.

Photo taken on Jan. 11, 2021 shows the winter scenery of a scenic spot in Mohe City, northeast China's Heilongjiang Province.

Aerial photo taken on Jan. 11, 2021 shows a train running through a forest in a scenic spot in Mohe City, northeast China's Heilongjiang Province.

Aerial photo taken on Jan. 11, 2021 shows the winter scenery of a scenic spot in Mohe City, northeast China's Heilongjiang Province.

Aerial photo taken on Jan. 11, 2021 shows the winter scenery of a scenic spot in Mohe City, northeast China's Heilongjiang Province.

Aerial panoramic photo taken on Jan. 11, 2021 shows the winter scenery of a scenic spot in Mohe City, northeast China's Heilongjiang Province.

Aerial photo taken on Jan. 11, 2021 shows the winter scenery of a scenic spot in Mohe City, northeast China's Heilongjiang Province.

Photo taken on Jan. 11, 2021 shows a train running through a forest in a scenic spot in Mohe City, northeast China's Heilongjiang Province. (Photos: Xinhua)