Far removed from the small-time taggers that can’t resist any unmarked urban surface, muralists and street artists bring gallery-worthy art to the streets where they can be enjoyed by all. Sometimes the murals are commissioned and sometimes they’re done guerrilla-style under cloak of night, but splashed across the surface of a bare concrete wall or the unadorned face of an abandoned building, they’re a welcome touch of color and character .(source:weburbanist.com)