you could write the next notice......FISHING ALLOWED !!!

...unforeseen...

A most tantalising sign indeed

I agree
...the water is heavily polluted..

Actually not polluted. This small pool created from the remains of a coal mine is relatively pollution free (aside from the occasional beer can). The dark, opaqueness you see is nothing more than the reflection of the grey overcast sky above.

Now, i see better
Thanks, Bill

;-)))))) well find