How to deal with that sinking feeling

Sunday column

A sinkhole can be many things:
a TV trope,
a hazard to drivers,
the beginnings of a lake,
a place to collect utes,
a time capsule.

Let’s start with that last one.

The bottom of a sinkhole is not a good place to be if you have no ladder and no friend above.

Over the sweep of ages, sinkholes have been opening up. Over the sweep of ages,  creatures have been f…