Hans Hameldinger has added a photo to the pool:
Source : https://www.flickr.com/photos/146541830@N04/55576686975/in/pool-52609756@N00
Südsteiermark – Weingut und Buschenschenke Kollerhof in Eichberg
Source : https://www.flickr.com/photos/146541830@N04/55576686975/in/pool-52609756@N00