Hedgehog, asparagus, water celery. Yuanjiang City is a county-level city under the jurisdiction of China and Hunan Province. There are three treasures in this city, hedges, asparagus and water celery, which are more nutritious to eat. Yuanjiang City, belonging to Yiyang City, Hunan Province, is located in the northeast of Hunan Province and beside Dongting Lake. Founded in 522 AD, it was changed to the market in 1988 and 10.