sky shades of blue

"As the sun lifts its position to bring summer, both the shade and the shadow change.

The blues darken as the contrast increases, the midday shadows diminish to the point of brief non-existence. At both ends of the day those same shadows extend until the curvature of the the earth removes the path to eternity. Between a desert plain and an ocean, clouds form abstract illustrations of temperaure and moisture, sculpted by the wind, momentary art on the grandest scale.