Mayor Martin Walsh and Maureen Gilligan lay a wreath at the 9/11 Contemplative Garden this morning to mark anniversary of the events of September 11, 2001. Maureen Gilligan’s brother was a NYC firefighter killed in the line of duty as a first responder to one of the World Trade Center towers. (Mayor’s Office Photo by Isabel Leon)

Boston, MA: A public Wreath Laying Ceremony will be held at Boston Public Garden, 9/11 Garden of Remembrance, on Monday September 11, 2017.