Volunteers Yarn Bomb Downtown San Mateo

United American Bank volunteer Sharon Ingram, right, attaches a hand knit sweater around a tree on 3rd Avenue in San Mateo, Calif., on Tuesday, Dec. 3, 2013. The Downtown Art Project paired vlolunteers from sponsor United American Bank with local artists to install the sweaters on 35 trees and saftey pylons along the road in downtown San Mateo. (John Green/Bay Area News Group) Continue reading »