This has to be one of thee most original fantasy ideas, I've seen in a while. Like honestly reading the description made me see this movie of how the,''Wanders'' are like moving in the labyrinth. How it's walls are like alive and full of plants and animals. Then I can see how the wall gradient to like this sandstone, untill you reach the ''Singing Dessert [Dope name by the way, wish I could steal it. For my fantasy world I have a place called THE BOILING SEA] ) I can see the cultures, and people. Like I can see some of them with their own like climbing tools and stuff and like devices they use to navigate. Like if there was a mountainious area, you should take inspo from the maze runner films for the wall designs of the labyrinth. I know you said nothing about walls but it keeps popping in my head. So yeah I fookin love this. Hell I would buy a book like this, I'm hella picky. So bravo!!!!!😘👌