Contestants carve during a national college students ice sculpture contest in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2022. (Xinhua/Wang Song)

A contestant carves during a national college students ice sculpture contest in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2022. (Xinhua/Wang Song)

A contestant carves during a national college students ice sculpture contest in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2022. (Xinhua/Wang Song)

A contestant carves during a national college students ice sculpture contest in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2022. (Xinhua/Wang Song)

A contestant carves during a national college students ice sculpture contest in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2022. (Xinhua/Wang Song)

A contestant carves during a national college students ice sculpture contest in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2022. (Xinhua/Wang Song)