Red Rocks (Painting #2 of 15) George Mullen, Red Rocks, 2016, barbwire and oil on canvas, 30 x 48 inches. Copyright © 2016 George Mullen. All rights reserved. Red Rocks (Painting #2 of 15) George Mullen, Red Rocks, 2016, barbwire and oil on canvas, 30 x 48 inches. Copyright © 2016 George Mullen. All rights reserved.