Landscape photographers often talk about "chasing the light," but I tell people that we should be chasing the clouds instead. Actually, to be more accurate, we should be chasing moisture . Water in the air makes clouds, which can light up with color at sunrise and sunset, as well as rainbows, fog, and morning mist clinging to the surface of a lake (oh, and it makes the lake too). Water reflects the world around us. Water, freshly fallen, saturates the colors of spring and fal