Artists are busy polishing sand sculptures during a sand sculpture contest in Haikou, south China's Hainan Province, Nov. 16. Sand sculpture artists from seven countries including China, the United States, Spain, Singapore are competing in the event. (Xinhua Photo)

A woman artist from Spain makes the final touches on the sand sculpture. (Xinhua Photo)

A Chinese artist makes the finishing touches on the sand sculpture reflecting China's first astronaut Yang Liwei. (Xinhua Photo)

Brother artists of China polish the sand sculpture with Madame Xian in China's ancient history as its theme. (Xinhua Photo)