Ancient Building Qing Brick Ground Laying refers to the traditional method of laying Qing bricks on the ground in ancient Chinese architecture. Qing bricks are fired bricks with a dark blue glaze, commonly used for paving roads, courtyards, and other outdoor areas in historical buildings. The technique involves aligning the bricks in a specific pattern, often with a combination of straight and diagonal lines, to create a visually appealing and durable surface.