Hmm I was testing to see if I set for a elven style tree city would be worth it. I'm not overly convinced with what I've come up with though. I figured I'd have elevation change only by a central spiral staircase in each tree, so you could effectively stack as many levels as you wanted linking them through the staircase vertically. For horizontal connections I was going to run rope bridges, I threw in a bad place holder for these. The easily navigable paths are laid down in a light wood with climbable branches depicted as is. I'm not sure if I'll pursue this set as its not the most common setting for adventures anyways and its so so at best.

Treecitytest.jpg