The floor was raised on pedestals, and the hot gases from a furnace were guided into the underfloor space, from which they rose through hollow terra-cotta tubes embedded in the walls.

• 他们发明了独特的火炕供暖系统。建在基础上的楼层被抬高，炉子里的热空气经过埋设在墙里的中空的陶瓦管，被导入到楼层的底部空间。