What's the funtion of this concrete building? It's locked in several
places. There are no windows at all. A lot of water is flowing
but what is the concrete building for?
Does someone know? I have walked here a lot of times and
Now I know: most likely it's for cleaning the water.
The geocache is a 350 ml Lock&Lock, with log book in ziplock
bag, a pen and som trading stuff.
GPS error margin is about 8 meters.