Introduction to the second and third generation giant locust trees: This is the second generation of giant locust trees that grew out of the first generation of ancient giant locust trees. It has a history of nearly 400 years. The third generation large locust tree, which grew from the same root as the second generation large locust tree, also has a history of nearly a hundred years. When immigrants bid farewell to their homeland, they took the big locust tree as a symbol of their hometown. After moving to a new place, they planted locust trees in their courtyards and hung a mascot to pray for the blessing of their homeland and express their longing for their homeland.