Aerial photo taken on Jan. 15, 2020 shows the snow scenery at the Bao Gong Garden, a scenic spot constructed in memory of Bao Zheng, a righteous government officer of ancient China's Song Dynasty (960-1279), in Hefei, capital of east China's Anhui Province. (Xinhua/Zhang Duan)

  Aerial photo taken on Jan. 15, 2020 shows the snow scenery at the Bao Gong Garden, a scenic spot constructed in memory of Bao Zheng, a righteous government officer of ancient China's Song Dynasty (960-1279), in Hefei, capital of east China's Anhui Province. (Xinhua/Zhang Duan)

  Aerial photo taken on Jan. 15, 2020 shows the snow scenery at the Bao Gong Garden, a scenic spot constructed in memory of Bao Zheng, a righteous government officer of ancient China's Song Dynasty (960-1279), in Hefei, capital of east China's Anhui Province. (Xinhua/Zhang Duan)

  Aerial photo taken on Jan. 15, 2020 shows the snow scenery at the Bao Gong Garden, a scenic spot constructed in memory of Bao Zheng, a righteous government officer of ancient China's Song Dynasty (960-1279), in Hefei, capital of east China's Anhui Province. (Xinhua/Zhang Duan)

  Aerial photo taken on Jan. 15, 2020 shows the snow scenery at the Bao Gong Garden, a scenic spot constructed in memory of Bao Zheng, a righteous government officer of ancient China's Song Dynasty (960-1279), in Hefei, capital of east China's Anhui Province. (Xinhua/Zhang Duan)