"There is no begonia fragrance in the world, and Duchang begonia fragrance." According to the records of Rongchang county annals, Wu Jia town genealogy, poems and other materials during Guangxu period, Wu Jia town is the source of fragrant begonia culture, and Tang Yanxiang scenic spot is located in Shuangliu 10,000 mu vegetable base in Wu Jia town, which was known as one of the eight scenic spots in Rongchang in Ming and Qing Dynasties.