Secondly, tree flower bark is an edible parasite on trees. Dried tree flower bark, boiled in water, can be cold.
Another kind, unfortunately lost, is cold green tea, that is, when making spring tea, the tea leaves are boiled in hot water and then cooled.
The local people created their own raw walnuts in the cold salad, and in a few days, the walnuts will come out. Walnuts can be cold at this time.
In taste, the characteristics of Bai nationality are sour and spicy.