22nd Worldwide Sketchcrawl
A couple years ago I stumbled over Enrico Casarosa’s Venice Chronicles, an online serial comic now available as a book. At the same time I found Sketchcrawl, a drawing marathon he started that has become a worldwide phenomenon.
Check out the forum for results from around the world — you can see sketches from Barcelona, San Francisco, Yokohama, and Blue Mountains in Australia, just to name a few.
Update: Check out these results from Oxford, UK. Beautiful.