File photo shows workers cut ice from Songhua River for the the 33rd Ice Lantern Garden Party in Harbin, Northeast China's Heilongjiang Province December 4, 2006. [Xinhua]

File photo shows workers move ice from Songhua River for the the 33rd Ice Lantern Garden Party in Harbin, Northeast China's Heilongjiang Province December 4, 2006. [Xinhua]

File photo shows an artist works on ice sculpture for the the 33rd Ice Lantern Garden Party in Harbin, Northeast China's Heilongjiang Province December 3, 2006. [Xinhua]

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