Sometimes the best color photographs are those that are mostly monochromatic. The tiny umbrellas at the bottom of the frame make this picture. Less is more.

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Visitors watch as water gushes out of the Xiaolangdi Reservoir on the Yellow River on the first day of the annual silt-washing operation, near Luoyang, in central China's Henan province Tuesday June 19, 2007. The annual operation, aimed at washing away silt deposits in the riverbed, has been shortened to 12 days from 20 days because of a drought in northern China.