Vilma Oxenford and Bep Glennon hold a banner of appreciation as they kick off the 1st Grandma Parade in Gateway Park in Rosslyn on June 9. Artist Rae Goodwin's "All Grandmothers Are Superheroes," paid homage to matriarchs with a parade and interactive installation as part of SuperNOVA, a Rosslyn Arts Project, presented by the Rosslyn BID and produced by The Pink Line Project’s Philippa Hughes.