Street introduction: The castle is unique in that all intersections here are T-shaped and there are no crosses. Its primary and secondary streets are clearly defined. The main north-south streets are about 300 meters long and are paved with stones and strips. They are called Long Street. It forms a "T"-shaped structure with three lanes to the east and four lanes to the west. Most of the residences in the East Third Alley are farmyards, while the West Fourth Alley has well-proportioned buildings and neat streets and alleys. In the past, they were mostly inhabited by wealthy households, with elegant door lintels and exquisite brick, wood and stone carvings.
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