"Water Sector should be easy. We'll probably have to talk to Yuxnu to get signs put up in Fire and Wood. Zanru for Metal. Earth might be the hardest, since there's no singular authority that can grant permission, but many that might object.

"Do you have a person in mind that can design the maps, and where we might procure the materials to create them?"

The maps would have to be pictures only with no text. Something universal that didn't rely on cultural symbols. That was gonna be tough.