Sinkhole: You have got to be $hitting me!!!

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Anyone that's lived in the mountains around here knows there are sinkholes popping up from time to time due to the limestone caves underneath just collapsing...but it is a sink hole. It sinks, falls in...slowly. If its real quick it may drop a few feet in a day and then more over a week or two.
This monstrosity is not a sinkhole, even if they call it that. Hell's Elevator would be a more fitting name for this catastrophe.

I'd like to see some pics from a RC camera drone of the interior!
Derek

thats all most of central america is ..one huge limestone formation. i dive and there are places called "cenotes"...limestone caves filled with fresh water. i have dove several cenotes and they can be quite deep, huge, and run for miles. if one caved in...well..you see what would happen.
 
Yeah you and your cenote would get flushed! I like mudpuppy's idea, fly a remote controlled airplane in there and lets see if its full of demons or some such stuff. That's some scary stuff there.
 
They finally figured out what was in the sink hole.
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http://thefrogman.me/post/651422174/this-is-no-cave


Wheels
 
Yeah. Journey to the underground world!

This is an artificial sinkhole to prevent the river flood in Tokyo. Interesting to me, its structure is same as the natural ones.
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Governor of Tokyo Mr. Ishihara would be happy if no earthquake might not come against the rumour for these several decades. No construction designer expects no earthquake anyway.
Photo: Kobe 1995.
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