Where can I dig sweet potatoes in Jiaonan?

Zhangjialou street. Jiaonan, an old place name, belongs to Qingdao West Coast New District, and was later renamed Huangdao District. Located in the Yellow Sea, Jiaozhou Bay and the west coast of Qingdao, it is one of the earliest coastal open cities approved by the state. There is a street in Zhangjialou in Jiaonan. Every year, there is a sweet potato picking activity in Yaojiatao Garden. Many tourists will come here to dig sweet potatoes, and the champion will award prizes according to the number of sweet potatoes dug.