At Petites Ruches garden (France, Yonne)
https://petitesruches.fr/
Discover how we made the hole. We dig it level by level, put a rubber liner, locate plants areas, and install stones all around the pound. This waterhole is created for the wild life, birds ans bees, frogs, newts, dragonflies...
Also take a look at the part 2 of this video, one year later (Séquence 2)