Architecture:

One such reaction to the cold aesthetic of modernism and Brutalism is the school of metaphoric architecture, which includes such things as biomorphism and zoomorphic architecture, both using nature as the primary source of inspiration and design. While it is considered by some to be merely an aspect of postmodernism, others consider it to be a school in its own right and a later development of expressionist architecture.

Please answer a question about this article. If the question is unanswerable, say "unanswerable".  What are two examples of non-metaphoric architecture?
unanswerable