This red, inconspicuous little fruit is called mysterious fruit. According to legend, Premier Zhou visited Africa in the past, and African countries presented it to the Prime Minister as a national gift. After the Prime Minister returned to China and Xishuangbanna participated in the Songkran Festival, he gave the mysterious fruit to the local government for planting. This little red fruit has a wonderful and mysterious function. Chew its peel and pulp in the mouth for about 3 minutes. It is sweet to eat any food within 2 hours. Even if you are jealous or drinking, you will not find it difficult to swallow. All are sweet. This is because the substance in the mysterious fruit changes the taste bud's judgment on the taste, which is wonderful. This mysterious fruit was made into ice cream by the local cold drink shop, and applied for a patent, which is a major feature in the scenic area. It is necessary to taste the Tiantianshu!