Sculptural reliefs flattened out to symbolic decorative, non-human forms, and painting and mosaics were rich in color, but more rigid and formal.
Sculputral reliefs presented human forms only.
mnli hypothesis: Sculputral reliefs presented human forms only. premise: Sculptural reliefs flattened out to symbolic decorative, non-human forms, and painting and mosaics were rich in color, but more rigid and formal.