Children ride bumper cars on ice at a theme park in Arxan, Hinggan League of Inner Mongolia on Jan 6. [Photo/people.cn]

Fairy bulbs sketch a fantasy image at a theme park in Arxan, Hinggan League of Inner Mongolia on Jan 6. [Photo/people.cn]

An ice sculpture shaped like the Temple of Heaven in Beijing at a theme park in Arxan, Hinggan League of Inner Mongolia on Jan 6. [Photo/people.cn]