Hans Hameldinger has added a photo to the pool:
Source : https://www.flickr.com/photos/146541830@N04/55624988120/in/pool-52609756@N00
Südsteirische Weinstraße – Weingärten in Graßnitzberg
Source : https://www.flickr.com/photos/146541830@N04/55624988120/in/pool-52609756@N00