Dry stone wall sketch

On my way home from work I sat down on a rock in a park and started sketching, totally unplanned. There were people with dogs there, but few passed by me, although when they did I felt them staring for a while. I just tried my best to ignore them, I hate when people watch me drawing.
Anyway this is a sketch with my pocket Pentel brush pen. Still learning how to control it properly. It's capable of producing hair thin lines, but only if you're veeeery careful. And I'm like Mrs. Precise Hand yet I still mess up.

park sketch

I love pure black ink drawings, but this scene really lacks depth (or it is because I'm not that good yet), so I colored it at home with watercolor pencils, using a waterbrush.

park sketch

Done in my small sketchbook.