Staff members demonstrate fish caught during a trial fishing in the run-up to a winter fishing festival on the frozen surface of Changling Lake, Harbin, capital of Northeast China's Heilongjiang province, Dec 24, 2012. Each year, the fishery of Changling Lake turns out 100,000 kilograms of commercial fish. [Photo/Xinhua]

A man performs at a New Year concert in Zhengzhou, Central China's Henan province on Dec 24, 2012. [Photo/CFP]