For the past 118 years, thousands flood the streets of South Boston for the annual St. Patrick’s Day parade. On Sunday, associate metro editor Isabel Fenoglio attended the parade for her first time, got lost for a few hours, and in the process thinks she finally understands what St. Patrick's Day is all about.

The streets of South Boston were filled with people decked out in the colors of Ireland's flag for the annual St. Patrick's Day Parade. Floats and marching bands were in full force to proceed along a shortened parade route.

"Industry and necessity gutted the innards of BC’s humble original campus."