What are the architectural features of Pingyao Ancient City in Shanxi?

Architectural features of Pingyao ancient city: There are 3,797 quadrangles in the ancient city of 2-25 square kilometers. These quadrangles, with clear axis, symmetrical left and right, and distinct levels, are composed of several courtyards along the central axis, with low walls and flower hanging doors in the middle, forming a binary or ternary basic layout form of "Sun" and "Mu".

The main building of the theme building in the courtyard is generally a three-to-five-brick arch cave, with a wooden eaves in front, a tile roof on the colonnade, a lotus leaf on the moon column above the exposed column, a flat roof, some feng shui buildings, and brick columns on the parapet and daughter wall. The east-west wing and the inverted south wing are both shingle roofs with a single slope inward; There is a screen wall opposite the street door, and there are stone lions, horse pillars and climbing horses outside the house door, which are integrated. In this way, there are more than 400 well-preserved quadrangles, which is a major feature of the ancient city.