Blue Crabs are seen at the Maine Avenue Fish Market along the Potomac River on April 21, 2016, in Washington, DC. The market has been in continuous operation since 1805, making it the oldest open-air fish market in the United States. / AFP / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)Washington, D.C., USA, March 2007 Share this:TwitterFacebookLike Loading...