what is the duck tour in boston

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1. Boston Duck Tours

   

2. BOSTON DUCK TOUR!

   

3. Boston Duck Tours

   

4. Boston Duck Tours

   

5. BOSTON DUCK TOUR BY LAND & WATER, BOSTON,MA #bostonducktour #ducktourboston #BostonDuckTour

   

6. Boston Duck Boat Sightseeing City Tour With Cruise Along Charles River