Changes abound in Somerville's Union Square
Yoon S. Byun/Globe Staff
A FOCUS ON AREA SQUARES
The unfurling of the Grand Union Flag is reenacted by the city of Somerville annually.
Soldiers in the Civil War also set up camp on Prospect Hill.
Pictured: Former Chief of Police Robert Bradley (dressed as George Washington) departed with the procession from City Hall to Prospect Hill in January 2012 for the 236th anniversary.





