Byron Winchell of Columbus, Ohio
pictured these shortly before sunset.
©Byron R. Winchell, shown with
The white boards are lit by the setting sun. Its
light is reddened because blue and green are preferentially scatterd
the long slanting path through the atmosphere.
The shadows are lit by
scattered sunlight - the blue sky.
We have to train ourselves, like a painter, to be aware of colour nuances.
The eye and brain does continuous white balancing like a camera
and deceives us. Here they will tell us that the boards are "white"
and that is what a casual glance will see.