People have fun on frozen Songhua River in Harbin
Xinhua
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People have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People look at a snow sculpture at Jiuzhan Park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

A woman poses for photos on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People take selfie on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)

People look at an ice sculpture at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2021. (Xinhua/Wang Jianwei)