Plants on the AC

I am currently in Athens, Greece, and yesterday, while climbing Mount Lycabettus, I saw many cool things that I decided to turn into illustrations. Here's one!

Here's my original photo:
https://scontent-mxp1-1.xx.fbcdn.net/v/t1.0-9/25660279_10214352005049596_4748245930798783061_n.jpg?oh=173100c7073bf08e92f723bcf85f682e&oe=5ACA6E7F