The sea freezes over due to a sudden drop in temperature at Laizhou Bay in East 皇冠体育app's Shandong province, Dec 24, 2012. [Zhang Chi/Asianewsphoto]
People walk across the frozen sea at Laizhou Bay in East 皇冠体育app's Shandong province, Dec 24, 2012. [Zhang Chi/Asianewsphoto]