Haiyuan Mosque is the oldest Islamic monastery in Haiyuan County, Zhongwei City, Ningxia Hui Autonomous Region. It is located on the northwest side of Haiyuan County, that is, Dasi Lane. It was built in the Wanli period of Ming Shenzong and has a history of more than 400 years. It is the center of Muslim religious activities in Haiyuan County...