How to Begin drawing using indirect lighting and enclosure

What do you do with those inky black shadow regions in your drawing? When you are drawing areas of shadow, a space that appears black may not actually be entirely black. Add interest to your drawing by adding subtlety to the shadows and reflections of light. This three part instructional drawing video demonstrates how to draw indirect lighting and enclosed spaces using silhouettes, direct light, shadow, and diffuse reflections.

(1) Part 1 of 3 - How to Begin drawing using indirect lighting and enclosure, (2) Part 2 of 3 - How to Begin drawing using indirect lighting and enclosure, (3) Part 3 of 3 - How to Begin drawing using indirect lighting and enclosure