在虚拟的古文明中，建筑一般都规格巨大，常使用柱式、拱券、穹窿顶等等典型的古代建筑元素。

In the hypothesized ancient civilization, the construction specification is generally huge, often used the order, the arch, the vault and so on model ancient architecture elements.

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半圆形或多边形的，通常是建筑物的圆形穹窿，尤指祭坛或教堂东端。

Architecture a semicircular or polygonal, usually domed projection of a building, especially the altar or east end of a church.

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