If you live in a big city (LA, Las Vegas, etc.), you’ve probably seen at least one of these giant murals on the side of a building. Well, this beautiful 150-foot example, for “The Dark Knight Rises”, took four artists five days to complete. Continue reading for more pictures and information.

Holes are punched through the outline to form a dotted stencil that is then gone over with a charcoal pounce. By the end, they have the wall mapped out with the most basic shapes and proportions in place. The oil-based paint is then mixed to match the larger portions of the painting, leaving the subtle blending and mixing to be handled ala prima on the wall. Each painter has a print-out of the design strapped to their arm, like a mini shield, that they use as a guide as they flesh out all the details.

[Sources 1 | 2]