People visit an ice sculpture for the 25th Harbin International Ice and Snow Festival at a park in Harbin, Heilongjiang Province December 23, 2008. The 25th Harbin International Ice and Snow Festival will kicked off on January 5, 2009. Picture taken December 23, 2008. (REUTERS/Sheng Li)

A castle constructed of ice prior for the 25th Harbin International Ice and Snow Festival at a park in Harbin, China on December 23, 2008. (REUTERS/Sheng Li)