Paribas Open - Day 6

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Lleyton Hewitt of Australia questions the challenge camera system's... News PhotoAsking,Australia,BNP Paribas Open,California,Day 6,Full Length,Horizontal,Indian Wells - California,Lleyton Hewitt,One Person,Order,People,Sport,Stanislas Wawrinka,Switzerland,Tennis,USAPhotographer Collection: Getty Images Sport 2013 Getty ImagesINDIAN WELLS, CA - MARCH 11: Lleyton Hewitt of Australia questions the challenge camera system's upholding a challenge by Stanislas Wawrinka of Switzerland during day 6 of the BNP Paribas Open at Indian Wells Tennis Garden on March 11, 2013 in Indian Wells, California. (Photo by Stephen Dunn/Getty Images). (Photo by Stephen Dunn/Getty Images)