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empath-nirvana · 2 years ago
It makes a lot of sense because obviously having a river there makes the transport of materials a lot easier, but i do wonder how nobody noticed this before.
card_zero · 2 years ago
Merer's diary describes moving stones to a pyramid building site by boat.

https://en.wikipedia.org/wiki/Diary_of_Merer

In fact it describes artificial basins, found in previous core samples.

Nice article about that, lots of pictures:

https://the-past.com/feature/records-of-the-pyramid-builders...

> The biggest unknown with my model is whether there was a major western Nile channel at the time, as modern authorities are split on this question.

Seems like what we have now is the discovery of a natural branch, which doesn't mean they didn't dig out useful extensions too.

The Nature article calls this branch a "tributary of the nile", which is the opposite thing to a branch. The paper says distributary (a branch). The tributaries are way to the south in Sudan and Ethiopia and Kenya.

Here's the paper:

https://www.nature.com/articles/s43247-024-01379-7

nwhnwh · 2 years ago
I am an Egyptian, I read about this years ago. But maybe they didn't have a solid proof back then.
irrational · 2 years ago
Thank you. I too remember reading about this years ago. I even checked the date of the paper to see if it was from years ago.
SergeAx · 2 years ago
When I first visited Egypt about 20 years ago, our guide reported this as common knowledge.
duxup · 2 years ago
Well the pyramids in question are right next to a flood plain so I don't think this idea is out of the blue entirely.
jterrys · 2 years ago
From Herodotus's account of Egypt:

>They said also that the first man who became king of Egypt was Min; and that in his time all Egypt except the district of Thebes was a swamp, and none of the regions were then above water which now lie below the lake of Moiris, to which lake it is a voyage of seven days up the river from the sea: and I thought that they said well about the land;

Later on

>Such is this labyrinth: but a cause for marvel even greater than this is afforded by the lake, which is called the lake of Moiris, along the side of which this labyrinth is built. The measure of its circuit is three thousand six hundred furlongs (being sixty schoines), and this is the same number of furlongs as the extent of Egypt itself along the sea. The lake lies extended lengthwise from North to South, and in depth where it is deepest it is fifty fathoms. That this lake is artificial and formed by digging is self-evident, for about in the middle of the lake stand two pyramids, each rising above the water to a height of fifty fathoms, the part which is built below the water being of just the same height; and upon each is placed a colossal statue of stone sitting upon a chair. Thus the pyramids are a hundred fathoms high; and these hundred fathoms are equal to a furlong of six hundred feet, the fathom being measured as six feet or four cubits, the feet being four palms each, and the cubits six. The water in the lake does not come from the place where it is, for the country there is very deficient in water, but it has been brought thither from the Nile by a canal; and for six months the water flows into the lake, and for six months out into the Nile again; and whenever it flows out, then for the six months it brings into the royal treasury a talent of silver a day from the fish which are caught, and twenty pounds when the water comes in. The natives of the place moreover said that this lake had an outlet under ground to the Syrtis which is in Libya, turning towards the interior of the continent upon the Western side and running along by the mountain which is above Memphis.

¯\_(ツ)_/¯

card_zero · 2 years ago
That's higher than the Great Pyramid. Lake Moeris still exists and is not near Giza. The two pyramids are thought to be exaggerations of the Pedestals of Biahmu:

https://en.wikipedia.org/wiki/Pedestals_of_Biahmu

But Herodotus just reported what he was told, like with the gold-digging ants:

https://en.wikipedia.org/wiki/Gold-digging_ant

Which seem to have been real (marmots). So who knows.

spongebobism · 2 years ago
Today, King Min is more commonly known as Menes, an upper Egyptian King who ushered in 3000 years of dynastic Pharaonic history by conquering the Nile Delta and thus uniting for the first time all of Egypt. He was as ancient to Herodotus as Herodotus is to us today (2500 years each). It is humbling just how deep Egyptian history goes.

https://en.m.wikipedia.org/wiki/Menes

rpz · 2 years ago
Fascinating, thanks for sharing! Makes me wonder if the great pyramid was partially submerged, and if so, by how much.

This account lends some credence to theories of the pyramids functioning as some sort of ram pump in my opinion. (Check out John Cadman’s work if you’re interested).

choilive · 2 years ago
Makes a lot of sense. I did a small dive into watersheds and fluvial systems a long time ago and something that surprises layman is how quickly rivers can change in just a few decades, let alone thousands of years. Even (or perhaps especially ) large rivers love meandering and and carving new paths over time.

Humans think of rivers as static things and like to use rivers as natural "borders" and forget that these are actually organic and evolving systems.

schmidt_fifty · 2 years ago
I can't speak to "the literature" but people have been colloquially talking about the mysterious lack of a canal since at least the 90s. One of the reasons people floated was a no-longer-active branch of the nile.
underlipton · 2 years ago
IIRC it's been well-known for a while how they moved the vast majority of materials by land (similar to how the Stonehenge megaliths were moved, highly dissimilar to how the Rapa Nui moai were).
Projectiboga · 2 years ago
No,the best theory is they cut the stones in a slightly underwater quarry. The limestone if submerged hasn't gained co2. They used a complex system similar to a canal. They used ballast like logs or airbags to float the cut rocks while keeping them uderwater. Even the top working row was a water filled mini canal. They would drop the stones into place. Once the water was removed the limestone would absorb co2 and swell, tightening the blocks together. This would have been some serious engineering.
solardev · 2 years ago
How? Last I heard, it seemed either "rolling logs" or "powerful aliens" were equally plausible...
marshallward · 2 years ago
> “The pyramids seem like pretty monumental work”

You don't say...

pavlov · 2 years ago
“Cutting-edge psychological research suggests that pharaohs may have suffered from megalomania”
loceng · 2 years ago
"Breaking news - older civilizations than currently have been found may have had most evidence of their existence wiped out by major events"
s1artibartfast · 2 years ago
Megalomania is characterized by delusion.
hackthemack · 2 years ago
I found another article that I found more lightweight and accessible. Has some pictures of the people involved.

https://www.nationalgeographic.com/premium/article/egypt-pyr...

cydonian_monk · 2 years ago
That article is paywalled and locked to National Geographic subscribers only. I'm not sure we have the same definition of accessible.
tamimio · 2 years ago
Or maybe that branch was man-made, for one to help builders to transport the materials, and also to build the pyramid itself after controlling the water level there with some man-made dams.
ethbr1 · 2 years ago
Martians are well known for their proficiency building canals. [0]

[0] History Channel

Hikikomori · 2 years ago
That theory predates the history channel by 100 years or so.
duxup · 2 years ago
I wonder would the proposed harbor locations have left any structure to indicate that they were in fact harbor temples rather than just temples?

I also wonder how much the river moves within that flood plain. I lived in a flood plain at one point and the river even season to season seemed to "move" a noticeable amount.

beeandapenguin · 2 years ago
At Wadi al-Jarf[1], one of the oldest harbors in the world (~2600 BCE), they discovered numerous stone anchors, a stone jetty, and storage galleries carved into limestone that contained several boats, sail fragments, oars, and rope. They also found jars that have been discovered at another site across the Red Sea, indicating they may have been used for trade.

[1]: https://en.wikipedia.org/wiki/Wadi_al-Jarf

bluGill · 2 years ago
I would expect that harbors were mostly made of wood. Stone is too heavy and would sink into the bottom, and they didn't have access to enough metals to think about bronze (much less iron). Wood of course rots - while the climate in Egypt is the most conductive to wood not rotting, if it was a harbor structure I'd expect (read I'm not sure here!) that the area remained as a swamp for a while thus rotting away anything left behind before to fully dried up.
dredmorbius · 2 years ago
Ancient Egypt was notoriously wood-poor. Stonemasonry was developed to a high art there (in both senses of the word) out of necessity.

Many Egyptian watercraft were made not of wood but of papyrus. Where wood was utilised, it was imported from elsewhere (Lebanon, famous for its cedars, and acacia, possibly domestic in origin).

Amongst Egyptian relics, wood stands out as a high-value material reflecting its scarcity and imported status.

Other possible shipbuilding materials, not likely to have been available or widely used, would include animal skins (as with Inuit kyaks), water-proofed cloth (unlikely, though cotton was abundant), metals (unlikely), and concrete (again, highly unlikely).

Papyrus has even poorer survival characteristics as a shipbuilding material than wood, though some relics are extant.

teruakohatu · 2 years ago
The oldest surviving dugout canoe found could be as old as 10k years old. Certainly a number of ancient Egyptian boats have been found and dated to around the time of the pyramids. So dock piles could possibly have survived.

Of course there were no doubt a large number of boats and only a small number of temple docks.

chucke1992 · 2 years ago
Considering that we can even see in the real time the disappearance of rivers, I wonder how many rivers and branches have been lost in history.
bluGill · 2 years ago
The Mississippi used to change course every year, and was about double the current length - all while following essentially the same route. (until the US army got involved). How do you want to count that?
dredmorbius · 2 years ago
"Stream capture", a/k/a "river capture" or "river piracy" is A Thing:

<https://en.wikipedia.org/wiki/Stream_capture>

We know that rivers change courses, and there are both known and unknown instances of this.

Edit: "capture" above originally read "crapture".

dredmorbius · 2 years ago
Erm, capture.

Get your mind out of the sewer, dred...

noman-land · 2 years ago
This may support one of my favorite theories of how the pyramids were built. With water!

https://www.youtube.com/watch?v=C1y8N0ePuF8

Daz1 · 2 years ago
This has been throughly debunked
noman-land · 2 years ago
Yeah? Got any resources I can check out?
once_inc · 2 years ago
I've recently been looking into the natron theory, which I also like. Instead of chiselling out big granite blocks and moving them long distances, you use a bucket of powder and a lot of wood ash to chemically form rocks.

Deleted Comment

saalweachter · 2 years ago
What do the energy and material requirements look like? How much heat, how much wood, how much natron?
dredmorbius · 2 years ago
Wood, in an environment in which trees were exceptionally scarce and high-value assets.