this post was submitted on 05 Jun 2025
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Wasn't it greener back then tho? I mean they're pretty close to a big-ass river. Also they used to be painted, and I am wondering why they wouldn't repaint them because wouldn't it provide a bit more protection from weathering and help keep them preserved?
The Nile Delta was at least, even more so than today. Ancient Egypt knew about irrigation.
The pyramids are about 9 kilometers from the current river, at the edge of the green or now urban sprawl zone. Beyond there is some more urban sprawl and these green irrigation circles to the north west. west / south west is dessert.
The Nile has multiple branches that intertwine and move over time. They have found evidence that at the time the pyramids were built, a branch was much closer to them. Facilitating moving the limestone blocks via boat to the construction site.