Introduction to the Two-Faced Tree: The Two-Faced Tree is a Ficus microcarpa Linn.f from Vietnam. It grows on the stone wall of the ancient village. The two-sided tree is a banyan tree seed that drifted into the cracks of the ancient city wall with the wind a hundred years ago. It took root and sprouted in the cracks of the wall. Its strong root system formed a developed banyan tree root system of different thicknesses, crisscrossing and intertwining on the stone wall with poor soil. The group not only supports the thick body of the banyan tree, but also provides the nutrients and water needed for the growth and development of the banyan tree, presenting a unique tree landscape with a network of roots on the stone wall.