Why do southern rural areas use blue bricks and tiles? And the ones in the north are all red bricks and tiles.

It is rainy in the south and the climate is hot; Therefore, one is that blue bricks and tiles are not resistant to the wind, and the other is that cool colors are popular.

There is little rain in the north and the climate is hot; Therefore, first, red bricks and yellow tiles are resistant to wind, and second, warm colors are popular.

The answer on the first floor has some truth, but personally, it is not the core factor in the formation of popular historical habits.