People slide on inflatable tubes at the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

Aerial photo taken on Jan. 2, 2021 shows the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China. (Xinhua/Liu Chan)

Visitors play in the snow at the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People ski at the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People visit the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People enjoy themselves at the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People visit the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People visit the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People enjoy themselves at the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People enjoy themselves at the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People ski at the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)

People enjoy themselves at the Fairy Mountain national forest park in Wulong District of Chongqing, southwest China, Jan. 2, 2021. (Xinhua/Liu Chan)