Workers build the Harbin Ice and Snow World in Harbin, capital of northeast China's Heilongjiang Province, Dec. 15, 2019. Every winter, Harbin will host a series of ice sculpture competitions. Since Dec. 7, 2019, workers have been collecting and delievering ice and artists have been working on sculptures with exquisite craftsmanship. Thanks to these "ice and snow dream makers", Harbin has presented a magnificent scenery of ice and snow to visitors from around the world. (Xinhua/Xie Jianfei)