建筑设计创意3X4W Donatello, Madonna of the Clouds Donatello, Madonna of the Clouds, c. 1425–35, 大理石, 33.1 X 32 厘米 / 13 1/16 X 12 5/8 inches (美术博物馆, 波士顿). Created by Beth Harris and Steven Zucker.