The main pieces of evidence supporting the hydraulic theory were the discovery of a "dry moat" surrounding the pyramid, as well as a massive stone structure known as the Gisr el-Mudir. These features ...

Architecture Week celebrates the profession of architecture and invites everyone—especially K-12 students—to explore architecture and design. See how you can join the fun and find activities near you!

See the programme of exhibitions and events from RIBA and our partners, or check out the latest CPD programmes and courses available on RIBA Academy.

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