A kid has fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2021. (Xinhua/Xie Jianfei)
Tourists have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2021. (Xinhua/Zhang Tao)
Tourists have fun at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2021. (Xinhua/Xie Jianfei)
Tourists have fun on frozen Songhua River at an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2021. (Xinhua/Xie Jianfei)
Aerial photo shows a view of an ice-snow theme park in Harbin, northeast China's Heilongjiang Province, Dec. 30, 2021. (Xinhua/Xie Jianfei)
