Tourists visit the Harbin International Snow Sculpture Art Expo at Harbin Sun Island park on January 5, 2019 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 5, 2019 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Ice sculptures illuminated by colored lights are seen at annual ice festival, in the northern city of Harbin, Heilongjiang province, China January 4, 2019. (Photo by Tyrone Siu/Reuters)





Tourists watch fireworks at the Harbin ice and snow world at Ice and Snow World park on January 5, 2019 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists visit the Harbin International Snow Sculpture Art Expo at Harbin Sun Island park on January 5, 2019 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists watch fireworks at the Harbin ice and snow world at Ice and Snow World park on January 5, 2019 in Harbin, China. The Ice and Snow World Park will host the 35th Harbin International Ice and Snow Sculpture Festival from January 5 until the end of February. (Photo by Tao Zhang/Getty Images)





Tourists visit the Harbin International Snow Sculpture Art Expo at Harbin Sun Island park on January 5, 2019 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Visitors walk around ice sculptures illuminated by coloured lights during the annual ice festival in Harbin, Heilongjiang province, China January 4, 2019. (Photo by Tyrone Siu/Reuters)





Fireworks explode over the illuminated ice sculptures during the opening day of 35th Harbin International Ice and Snow Festival at the Harbin Ice and Snow World on January 5, 2019 in Harbin, Heilongjiang Province of China. The 35th Harbin International Ice and Snow Festival kicked off on Saturday in Harbin. (Photo by VCG/VCG via Getty Images)





Visitors sit in a horse-drawn carriage in front of the ice sculptures at the Ice and Snow World during the annual Harbin International Ice and Snow Sculpture Festival, in Harbin, Heilongjiang province, China, 04 January 2019. Some 120,000 cubic meters of ice and 111,000 cubic meters of snow were used to build the Harbin Ice and Snow World where the festival will last for about three months. (Photo by Roman Pilipey/EPA/EFE)





Ice sculptures are seen at annual ice festival, in the northern city of Harbin, Heilongjiang province, China January 4, 2019. (Photo by Tyrone Siu/Reuters)





Tourists visit the Harbin International Snow Sculpture Art Expo at Harbin Sun Island park on January 5, 2019 in Harbin, China.Harbin Ice Sculpture Festival is one of the highlights of the tour, attracting domestic and foreign tourists to visit. (Photo by Tao Zhang/Getty Images)





Tourists watch illuminated snow sculptures during the 31st Harbin Sun Island International Snow Sculpture Art Exposition on January 4, 2019 in Harbin, Heilongjiang Province of China. The 31st Sun Island International Snow Sculpture Art Exposition officially opened to public on December 29. (Photo by VCG/VCG via Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 5, 2019 in Harbin, China. The Ice and Snow World Park will host the 35th Harbin International Ice and Snow Sculpture Festival from January 5 until the end of February. (Photo by Tao Zhang/Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 5, 2019 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Tourists visit illuminated ice sculptures at Ice and Snow World park on January 5, 2019 in Harbin, China. (Photo by Tao Zhang/Getty Images)





Ice sculptures illuminated by colored lights are seen at annual ice festival, in the northern city of Harbin, Heilongjiang province, China January 4, 2019. (Photo by Tyrone Siu/Reuters)





Ice sculptures illuminated by colored lights are seen at annual ice festival, in the northern city of Harbin, Heilongjiang province, China January 4, 2019. (Photo by Tyrone Siu/Reuters)





Ice sculptures illuminated by colored lights are seen at annual ice festival, in the northern city of Harbin, Heilongjiang province, China January 4, 2019. (Photo by Tyrone Siu/Reuters)