The Grand Canyon is a sight to behold on a clear sunny day and at night it represents a deep and vast darkness devoid of contour and light. But when snowfall on surrounding high terrain and low clinging clouds are illuminated by moonlight, a different character is revealed that resembles a deep blue sea with white caps highlighting its form. Colored lights on the horizon help us to understand that the night cannot purely be defined by black and white.
The Aerial Horizon 