From Spanish Plaza to Mid-City, New Orleanians marked Bastille Day on Saturday with music, dancing, contests and food. At the Riverwalk celebration on Spanish Plaza, visitors were treated to music, tours of the Port of New Orleans fireboat and a French dog costume contest. In the 1300 block of Esplanade Avenue, Bastille Day, the annual celebration of the French National Day here in New Orleans, was marked with food and music as well.