The national flag of China flies at half-mast on Tian'anmen Square in Beijing, capital of China, early Aug. 15, 2010, to mourn for the victims of the mudslide disaster in Zhouqu. National flags across the country and at overseas embassies and consulates are to be lowered to half-mast Sunday to mourn the victims of the devastating mudslide which hit Zhouqu County, Gannan Tibetan Autonomous Prefecture in southern Gansu on Aug. 8, 2010. [Xinhua]