We've been doing a fill-a-sketchbook-in-30-days challenge at work this month. It's not a huge sketchbook, just a 24-page one from Muji so it's not as difficult as it sounds. For me the idea was to just get drawing. No pressure, just draw. Anything. Most of these were done on my commute so it's mostly people drawing, which I enjoy a lot.
Here are some of my favourites.