Why are the walls in the south of the Yangtze River high and low?

Because it is rainy in the south of the Yangtze River, the roof should be drained in time.

Most of the houses in the south of the Yangtze River are bucket-type wooden frames, not beams, which are directly supported by columns, surrounded by thin bucket walls or bamboo plastering walls, and the walls are mostly white plastered. The roof structure is also thinner than the houses in the north. Slate is often laid at the bottom of the wall, and the indoor ground is also covered with slate to prevent it from being damp. The interior of the hall is freely separated by traditional covers, wooden fans and screen doors for different purposes. Only a small amount of exquisite carvings were added to the beam frame, painted with colors such as chestnut, brown and gray, without painting. The wooden structure outside the house is brown, black, dark green and other colors, which are in harmony with the white walls and gray tiles. The color is elegant and bright, and it combines with the surrounding natural environment to form a picturesque water town.

The south is full of flowers all year round, and the environment is colorful. The exterior walls of residential buildings are mostly white, which is conducive to reflecting sunlight. White walls and tiles are used in the south, and the color of the house is elegant, especially in summer, which gives people a refreshing and pleasant feeling.

Compared with the north, the most obvious features of the terrain in the south of the Yangtze River are hills, plains and waters. Jiangnan is located in the hilly plain of the middle and lower reaches of the Yangtze River, with high terrain in the south and low terrain in the north. Its northern terrain is flat, mainly plains and hills, and some mountains are distributed in the south.