I guess it is a way to describe it of the pyramids in Egypt, so they had a lot of ancient Egyptian artifacts.

我猜是用这个方式表现埃及金字塔，所以他们有了那么多古埃及的展品。

大都会艺术博物馆 - SpeakingMax英语口语达人

The politicians of these nations could not then have indulged their more grandiose versions of Egyptian pyramids, currently labeled infrastructure.

FORBES: Fact and Comment

Along the way, he exposes readers to early British civilisation, Egyptian pyramids, ancient Assyria and the Kingdom of Benin in the 13th century.

ECONOMIST: Japanese cartoons

For centuries a Scandinavian stronghold, the low, grassy Orkneys offer a different flavour entirely to the mainland, and are rich with historic sites that predate the Egyptian pyramids.

BBC: Exploring Scotland by road