YINCHUAN, Dec. 12 (Xinhua) -- As noon approaches, Ma Fang, the owner of a wedding banquet hall in Tongxin County in the city of Wuzhong, northwest China's Ningxia Hui Autonomous Region, is busy preparing a bowl of local traditional soup, adding sliced green radish, tofu, wood ear mushrooms and rice noodles.
After seasoning it with soy sauce and salt, she allows the mixture to simmer briefly. Once the ingredients