Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. The Ice and Snow World Park will host the 34th Harbin International Ice and Snow Sculpture Festival from Jan. 5 until the end of February. (Photo by Tao Zhang/Getty Images)





People visit the Harbin Ice and Snow World, part of the annual Harbin Ice and Snow Sculpture Festival in Harbin in China's northeast Heilongjiang province on January 4, 2018. (Photo by Greg Baker/AFP Photo)





People visit the ice sculptures illuminated by coloured lights at Harbin ice and snow world for the 34th Harbin International Ice and Snow Festival in Harbin city, China's northern Heilongjiang province, January 4, 2018. (Photo by Wu Hong/EPA/EFE/Rex Features/Shutterstock)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. The Ice and Snow World Park will host the 34th Harbin International Ice and Snow Sculpture Festival from Jan. 5 until the end of February. (Photo by Tao Zhang/Getty Images)





Visitors walk and slide on icy paths on the opening day of the annual Harbin Ice and Snow Sculpture Festival in Harbin, in China's northeast Heilongjiang province on January 5, 2018. The festival, featuring dozens of huge ice sculptures lit up by coloured lights, attracts hundreds of thousands of visitors annually. (Photo by Greg Baker/AFP Photo)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists enjoy spectacular ice and snow sculptures at the Harbin Ice and Snow World Park in Harbin, China on January 2, 2018. (Photo by Sipa Asia/Rex Features/Shutterstock)





Photo taken on January 3, 2018 shows the snow-light show at the Sun Island International Snow Sculpture Art Expo in Harbin, capital of northeast China's Heilongjiang Province. Snow Wonderland, a 3D snow-light show applying modern sound, light and digital technologies has been displayed at Sun Island International Snow Sculpture Art Expo recent days. (Photo by Wang Jianwei/Xinhua via Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists enjoy spectacular ice and snow sculptures at the Harbin Ice and Snow World Park in Harbin, China on January 2, 2018. (Photo by Sipa Asia/Rex Features/Shutterstock)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. (Photo by Tao Zhang/Getty Images)





People visit the ice sculptures illuminated by coloured lights at Harbin ice and snow world for the 34th Harbin International Ice and Snow Festival in Harbin city, China's northern Heilongjiang province, January 4, 2018. (Photo by Wu Hong/EPA/EFE/Rex Features/Shutterstock)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 4, 2018 in Harbin, China. (Photo by Tao Zhang/Getty Images)





A woman visits the ice sculptures illuminated by coloured lights at Harbin ice and snow world for the 34th Harbin International Ice and Snow Festival in Harbin city, China's northern Heilongjiang province, January 4, 2018. (Photo by Wu Hong/EPA/EFE/Rex Features/Shutterstock)