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Originally Posted by aturnis
I think it'd be very hard to do. To see the whole shore of water turn red, yes, but to see a particular spot? I'd think you'd need to be below water to see it, and as murky as the water is, I don't think you'd be able to catch it before you were immersed in it. Not without assistance anyway.
Maybe a infrared camera could detect something quickly, or backlight with some sort of solvent, or hot water and a thermal camera.
Even then, it'd be hard to stop water from getting in. I guess you could pump hydraulic cement in. But with five box drains, just cut off the main shaft. Which is likely just a trench they dug and filled with gravel covered with coconut fiber and buried.
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If they're willing to spend enough money, I bet theres a way to do it.
Quote:
Originally Posted by ThaVirus
Holy grail?
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Who knows, but someone went through a LOT of trouble to hide whatever it is... considering the era they think it was built in its something of an engineering miracle.