Painting a Realistic Urban Sketch with Gouache

Here's a quick video where I paint some ordinary commercial shopfronts on an overcast day using gouache. 

To achieve realism—and to speed things up—I use flat brushes and I paint patches of color that I subdivide with dark strokes. (Link to YouTube)

RODE Wireless Go Mics

PILOT Custom 912 Fountain Pen

Flat brush set