These materials and techniques are often considered Eastern, but they are in fact the logical outgrowth of trends already apparent in Roman imperial buildings of the first three centuries A.

• 这些原料和技术经常被认为是东方的，但它们事实上是合理的副产物，头三个世纪的罗马宫庭建筑物的外观已经有这种趋向。