The Roman layer, which is the most ancient and deepest, is occupied by the round arch, which reappears, supported by the Greek column, in the modern and upper layer of the Renaissance.

• 罗曼带最古老、最深层，为半圆穹窿所占据，而这种半圆穹窿通过希腊式圆柱，又重新出现在最上面的现代层即文艺复兴带中。