The bright spot in a week full of closing news was the long-awaited opening of Mellow Mushroom at Rockville Town Square, taking over the former Oro Pomodoro space at 33 Maryland Ave. Fans of the Atlanta-based pizza chain have been pouring in since Saturday, says franchisee Danny Trehan, who also operates the Mellow Mushroom in Herndon. The Rockville restaurant has a pop art theme, with indoor/outdoor seating for more than 300 and delivery service coming soon. To check out the menu, click here.