Advertisements of "zongzi", the typical snack on Dragon Boat Festival of a pyramid-shaped dumpling made of glutinous rice wrapped in bamboo or reed leaves, are seen at a supermarket in Yinchuan, northwest China's Ningxia Hui Autonomous Region, May 22, 2011. As the Dragon Boat Festival draws near, all flavours of rice dumplings and materials for making them are on sale at supermarkets. [Photo: Xinhua]