Donna M. Perry/Sun Journal

Mikayla Greenwood, 18, of Jay, left, James Gilbert, 18, of Livermore Falls and Progressive Learning Institute teacher Christopher Ellingwood scrub old graffitti off a wall Wednesday behind Addie’s Shoppe on Park Street in Livermore Falls. Students plan to paint a mural on the wall with two moose on it, a sunny background, incorporating a small live birch tree on the land.