Above, Poland Seminary High School art teacher Susan Holub blends the chalk with a broom in one section of The Wolverine mural as students around her work on the rest of the creation. Holub's advanced

Above, Poland Seminary High School art teacher Susan Holub blends the chalk with a broom in one section of The Wolverine mural as students around her work on the rest of the creation. Holub's advanced art class completed a total of six chalk drawings, all based on superheroes. At right, students designing the works of art hand-select the sidewalk chalk colors to create the superheroes.