As old man winter yields to another spring in Washington, tour groups begin to increase in number at the U.S. Capitol and other popular tourist landmarks in Washington D. C..
{"Image ImageDescription": "UNITED STATES - FEBRUARY 19:  As old man winter yields to another spring in Washington, tour groups begin to increase in number at the U.S. Capitol and other popular tourist landmarks in Washington D. C..  (Photo By Mark F. Sypher/Roll Call/Getty Images)"}