Slide 3 of 29: People visit the colorful illuminated ice sculptures at the Harbin ice and snow world, on the eve of the opening ceremony of the 36th Harbin International Ice and Snow Festival, in Harbin City in China's northern Heilongjiang province, 04 January 2020. As many as 220,000 cubic meters of ice and snow were reportedly used to build the 600,000-square-meter Harbin ice and snow world where the festival will last for about three months.