The inaugural holiday activation aims to bring vibrancy and visitors back to downtown while showcasing local and international artists SAN FRANCISCO, CA, UNITED STATES, November 30, 2021 / EINPresswire.com/ -- A3 Visual, the experiential division of AAA Flag & Banner, recently announced a multi-year partnership with Downtown SF, the community benefit district which serves the Financial District and Jackson Square, to create the nation’s largest holiday projection mapping event.