Each piece of artwork in the series shows one image during daylight hours, while another is revealed when it gets dark. The Harreman Project, by Barcelona-based Reskate Studio, uses glow-in-the-dark paint to create street art with hidden depths. The design cleverly uses the shape of the building to give the mural an added sense of depth. One such example is Behind Closed Doors and epic piece of street art found on the side of the Plaza Hotel in Las Vegas.

London-based artist Dean Stockton (also known as D*Face) creates work inspired by things he loved as a child – skate graphics, album art and cartoons – and some of his work is clearly indebted to pop artist Roy Lichtenstein. This epic street art by D*Face's covers the side of a Las Vegas hotel