Wheat Field with Crows, Van Gogh, 1890
Vincent Van Gogh used swirling brush strokes in many of his Post-Impressionist works.
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"Vincent van Gogh (1853-1890) - Wheat Field with Crows (1890)."
http://en.wikipedia.org/wiki/File:Vincent_van_Gogh_(1853-1890)_-_Wheat_Field_with_Crows_(1890).jpg
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