Tourists play at Ice and Snow Carnival park in Harbin

Tourists play at the Ice and Snow Carnival park on the Songhua River in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2023. (Xinhua/Zhang Tao)

Tourists play at the Ice and Snow Carnival park on the Songhua River in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2023. (Xinhua/Zhang Tao)

Tourists play at the Ice and Snow Carnival park on the Songhua River in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2023. (Xinhua/Wang Jianwei)

This aerial photo taken on Jan. 1, 2023 shows tourists playing at the Ice and Snow Carnival park on the Songhua River in Harbin, northeast China's Heilongjiang Province. (Xinhua/Wang Jianwei)

This aerial photo taken on Jan. 1, 2023 shows tourists playing at the Ice and Snow Carnival park on the Songhua River in Harbin, northeast China's Heilongjiang Province. (Xinhua/Wang Jianwei)

Tourists play at the Ice and Snow Carnival park on the Songhua River in Harbin, northeast China's Heilongjiang Province, Jan. 1, 2023. (Xinhua/Zhang Tao)