This weeks images in the bing dynamic Windows 7 theme feature red rock crabs on the Galapagos Islands and Oakland Bay Bridge in California

Red rock crabs (Grapsus grapsus), Galapagos Islands, Ecuador

Red rock crabs (Grapsus grapsus), Galapagos Islands, Ecuador

Aerial view of Yerba Buena and Treasure islands, Oakland Bay Bridge, and San Francisco, California .

Aerial view of Yerba Buena and Treasure islands, Oakland Bay Bridge, and San Francisco, California

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Rob