On Xinghua Street, Daxing District, Beijing (buses 968, 631 Express, 957 Express, 954, 937 Express 6, 610, 410), there is a bus between the two stations "Xinghuayuan-Qingyuan Xili" for more than 10 years Old mulberry tree.

If you still can't find it, you can eat other things, such as dandelions, elm leaves, lettuce leaves, lettuce leaves, etc.