Introduction to the ancient city cultural area: The architecture of the ancient city cultural area is very unique. Each city has three walls of wood, earth and stone. There is a moat outside the city. When you stand on the stage and look into the distance, you can feel the wind and the wild surroundings; there are octagonal walls inside. Shilou, simple, solemn and majestic, is a rare group of ancient buildings in northern my country and has great archaeological and ornamental value.