Workers are seen at the construction site of the Harbin Ice and Snow World, a renowned seasonal theme park opening every winter, in Harbin, northeast China's Heilongjiang Province, Dec. 12, 2023. Harbin Ice and snow World will open for its 25th winter season on Dec. 18. It is estimated that 250,000 cubic meters of ice and snow will be used in its construction. (Xinhua/Wang Jianwei)