Snow Kids illustrates the "greater unity" mentioned in the Olympic motto and conveys the concept of "friendship first, competition second", he said. "It is the ambassador of the Olympic spirit as well as a messenger of Chinese culture.

"In Liu's mind, there are many similarities between sculptures and the Olympic spirit.

"They are all good bridges of culture and can help promote unity among different countries around the world," he said. "I left my sculptures in different places, bringing Chinese culture and spirit to those who went to see them."