This is a low-angle shot of the classic coiled dragon caisson ceiling inside the Palace Museum in Beijing. The caisson is a unique top decoration form of ancient Chinese royal architecture. The center features a 3D gilded dragon relief, surrounded by layers of delicate painted patterns with classic royal color matching. Exquisite bracket sets and ornate wood decorations show the luxurious solemn temperament of Ming and Qing royal architecture, representing superb ancient Chinese architectural craftsmanship.