A snow sculpture of a pig is pictured at the 31th Harbin Sun Island International Snow Sculpture Art Expo in Northeast China's Harbin on Dec 17, 2018. The 12-meter-tall and 22-meter-long structure ushers in an auspicious 2019, the coming Year of the Pig in lunar Chinese calendar. [Photo/Xinhua]

People work on finishing a giant pig sculpture at the 31th Harbin Sun Island International Snow Sculpture Art Expo in Northeast China's Harbin on Dec 12, 2018. [Photo/Xinhua]

People work on snow sculptures in Northeast China's Harbin on Dec 14, 2018. [Photo/Xinhua]

A snow sculpture of a pig is pictured at the 31th Harbin Sun Island International Snow Sculpture Art Expo in Northeast China's Harbin on Dec 17, 2018. The 12-meter-tall and 22-meter-long structure ushers in an auspicious 2019, the coming Year of the Pig in lunar Chinese calendar. [Photo/Xinhua]