- The interplay of shapes, shadows and sunlight on varied cloud tufts
- W992571Z
- The interplay of shapes, shadows and sunlight paints a curious scene in the sky. Deep shading from tall clouds darkens the base of a curved boundary. The clouds are also shaded from direct sunlight at right, but receive skylight to appear lighter gray. Here and there, sunlight brightens the highest fragments and the side of a tower at the end of the line.
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