Rediscovery
A group of children develop the possible society of the future on an overgrown building site in a deeply democratic film, which gives nature a voice.
Starring
Watch "Rediscovery" on Amazon released in 2019. It's a documentary movie, and has a rating of 6.4 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.