Brooklyn Borough President Marty Markowitz joins assistant artist Mark Evans (left) and lead artist Esteban Del Valle (right) at the unveiling of a new mural, painted with the help of student volunteers from Groundswell, which he helped unveil in the unde Photo

From: Photo Flash: BP Markowitz Unveils Groundswell's Atlantic Avenue Mural

Yesterday, Brooklyn Borough President Marty Markowitz helped unveil a new mural, painted by artists and student volunteers from Groundswell, in the underpass of the Brooklyn-Queens Expressway on Atlantic Avenue. Scroll down for photos!