Sinkholes are scary. As if we don't already have enough to worry about in life, the ground can suddenly collapse directly underneath us, sometimes with little to no warning. So, what's happening here? Exactly what are sinkholes, and how do they occur? Sinkholes have one of the most straight-forward, self-explanatory names we've ever given to something. They are, quite literally, holes that form due to sinking earth.
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