This document discusses mural art and several mural artists. It provides biographies of four mural artists: Ernest Zacharevic, a 26-year old Lithuanian artist based in Penang, Malaysia who does street murals; Louis Gan, a freelance Malaysian artist who is deaf and became a self-taught painter; Kenji Chai, a mural artist from Sabah, Malaysia who uses graffiti-style characters and scenes; and discusses the role of mural art in constructing cities and engaging the public. Key communication concepts like non-verbal cues, interpretation and space are also mentioned.