What are the characteristics of the six-walled large houses in Quanzhou? What is the layout?

The red-brick residence in Quanzhou, Fujian Province is a very special type of residential architecture in China, because it is built of red bricks and red tiles, with dazzling colors. The typical form of Quanzhou residence is the six-wall big house", which is also the form of courtyard, its specific layout is in the back of the center of the courtyard is the upper hall, that is, the main hall, is the courtyard of the largest volume of the most important building, is the family's ancestral hall and the center of the housekeeping. In front of the main hall is the lower hall, also known as the foyer, and the rooms to the left and right are the family's living quarters and other rooms. The front of the building is enclosed by a wall, with doors opening on the side.