Where did it all go? Couldn’t people tell the rock fragments of used for public works, etc. aren’t coming from a traditional quarry? Just seems like a whole bunch of rock waste out there that nobody has ever explained or brought up as far as I know? .... any ideas? This been covered somewhere?
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Digging the tunnel is not a problem. The issue is what happens to the massive amount of tailings?
The link below speaks of melting the rock and making a shiny surface. I’ve seen photos of the tunnel after it is done.
https://www.pinterest.com/pin/280278776790176496/
The melted rock has to go somewhere.... changing it to liquid doesn’t make the mass disappear