Every year, in northeast China's Heilongjiang province, the city of Harbin hosts the Harbin International Ice and Snow Sculpture Festival, featuring massive ice and snow sculptures. At night, the sculptures are colorfully illuminated and visitors can climb and play on some of the structures. The festival officially opened on January 5 this year, and will run through the end of February. According to organizers, the winter festival now draws several million tourists each year, from China and from abroad.