Found it in this collection:
https://www.messynessychic.com/2021/12/23/forget-roadside-america-lets-location-scout-in-weird-france/
Note that the "swimming pool in Nemours" (the round yellow thing) is not uncommon in France. It's a "sunflower pool" and a lot were created like that in the 70s. We used those up to 90s (and even more if they were taken care of).
It's round, but the swimming pool inside is a regular rectangle.