A conceptual blueprint sketch of a traditional Chinese ancestral hall (Zhongtang) in the harmonious layout and annotation style of a Jiangnan teahouse design drawing On a pure white background, a 3D rendered ancestral hall is shown at the center It has a three layer structure The bottom layer has imposing wooden pillars, symmetrical lattice windows, and a raised platform with ancestral tablets and incense burners The middle layer features elaborately carved beams and high coffered ceilings The