Walking in the ancient city of Hancheng, you can see the buildings of Tang, Song, Yuan, Ming and Qing periods from time to time. In the crisscrossed lanes on both sides of the ancient city, they are curvy and orderly, such as the chessboard dense, like a star list, they are wide and narrow, different lengths, long names, short numbers, and countless lanes in the ancient city. Each street has its own characteristics.