Jollie Ollie has added a photo to the pool:
City of Lauffen. Southwestern Germany, Baden-Württemberg
On the Neckar River, 30 km north of Stuttgart
Source : https://www.flickr.com/photos/buttscat/55615108493/in/pool-52609756@N00
Riverbank Vineyards
Source : https://www.flickr.com/photos/buttscat/55615108493/in/pool-52609756@N00