Shame these are unmaintained as a historic landmark. I bet it would completely change how kids see the world to understand that people used to rely only on visu

Shame these are unmaintained as a historic landmark. I bet it would completely change how kids see the world to understand that people used to rely only on visual clues to navigate not too long ago. It’s one thing to read about it in a textbook, it’s another to be able to see and touch it.