On Fri, 18 Nov 2016 06:30:01 -0800 (PST), Tim
wrote:

Rules are set in place for a reason...i cant say I feel horribly for them. This was Darwinism at its finest. Still...

New Zealand is full of places like that. This little volcanic
pond/quicksand hole had a pH about like a car battery and there was
just a little sign saying don't get to close to the edge. If you got
too close and tumbled in, there would be no way to get out.
http://gfretwell.com/ftp/New%20Zeala...d%20crator.jpg