Masterclass: Lighting (non-flash)

The challenges in this series is geared towards the more experienced photographer. They can show their prowess by submitting an image that illustrates the chosen theme of this challenge. In the description area, it is required that the submitter explains the techniques used to come to the final image. VOTING: Please give high scores for the best images with the best technique description! It is the intention of this challenge to learn from our peers, let's reward the most illuminating entries with a high placing!