Workers polish a snow sculpture ahead of the Harbin Ice and Snow World on December 22. #

Visitors walk past a train-shaped ice sculpture ahead of the Harbin International Ice and Snow Festival on January 4. #

A man clad in a teddy bear suit leans on a snow sculpture during the Harbin Ice and Snow Festival on January 5. #

People visit ice sculptures illuminated by colored lights during the opening day of the Harbin International Ice and Snow Festival on January 5. #

A couple takes pictures on a snow sculpture during the Ice and Snow Festival in Harbin on January 5. #

People visit brightly illuminated ice sculptures ahead of the Harbin International Ice and Snow Festival in Heilongjiang province on January 4. #

A father helps his son to ride a cycle over ice in Harbin on January 5. #

People visit newly-built ice sculptures during a trial operation of the Harbin Ice and Snow World on December 22. #

A newlywed bride poses for her wedding photographs with an ice sculpture in the northern city of Harbin on January 6. #

A newlywed couple poses in cold weather for their wedding photographs after their group wedding ceremony in Harbin on January 6. #

A woman takes a souvenir picture in front of a large snow sculpture during the Harbin International Ice and Snow Festival on January 6. #

A man jumps for a photo in front of large snow sculptures in the northern city of Harbin, China, on January 6. #

Visitors use kaleidoscopes arrayed near ice sculptures in the northern city of Harbin on January 4. #

People visit the China Ice and Snow World on the eve of the opening ceremony of the Harbin International Ice and Snow Festival on January 4. #

People visit ice sculptures in China's northern city of Harbin on January 4. #

People visit a maze built with ice bricks and illuminated by colored lights ahead of the Harbin International Ice and Snow Festival on January 4. #

A woman looks for space to hang her red ribbon bearing a wish inside an illuminated ice sculpture in Harbin on January 5. #

A woman rides a slide on lit ice sculptures on opening day of the Harbin International Ice and Snow Festival on January 5. #

Tourists sit on a horse-drawn carriage in front of ice sculptures in Harbin on January 4. #

A woman rides horse-shaped ice sculpture on opening day of the Harbin International Ice and Snow Festival on January 5. #

People visit the China Ice and Snow World in Harbin, northeast China's Heilongjiang province, on January 4. #

People ride slides on ice sculptures illuminated by colored lights in Harbin on January 5. #

A woman takes a picture with a white fox in front of brightly-lit ice sculptures on the opening day of the Harbin International Ice and Snow Festival on January 5. #