U.S. Open gigapan

Sports Illustrated photographer David Bergman made this Gigapan during Serena Williams' third-round victory over Varvara Lepchenko at the U.S. Open on Saturday in New York. The image, which is more than 2.3 billion pixels, was made by taking 210 overlapping photos and stitching them together in the computer. Use the controls to zoom in and tag yourself.

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