Workers shape a snow sculpture at Jingyuetan National Forest Park in Changchun, capital of Northeast China's Jilin province, Dec 22, 2012. Workers here keep on working despite a bitterly cold day on Saturday. [Photo/Xinhua]

A journalist imitates the hand signals of flight deck crew of aircraft carrier (nicknamed "Carrier Style") beside a high-speed train before a trial trip for journalists from Beijing, capital of China, Dec 22, 2012. China is set to open the world's longest high-speed railway on Dec 26, linking Beijing and the southern economic center of Guangzhou. [Photo/Xinhua]