Avoid this 300 feet deep sinkhole located in Cornwall, England
A sinkhole is a hole in the ground that’s usually the result of a rock collapse, falling water table, or erosion. Apart from natural causes, these pits can be formed by human activities like groundwater pumping or mining.
The picture belongs to a 300 feet deep sinkhole in Cornwall, England. Those who descend carefully will find a medieval mineshaft, whereas those who slip on might face a different outcome. You can imagine why nobody shows much interest in living near this deep pit.
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