Blu, the pseudonym of an anonymous street artist from Italy, has achieved fame for his murals in Europe and South America. These paintings materialize slowly and painstakingly on the epic canvas of urban and industrial architecture, and Blu specifically considers the location of his murals. Besides using architectural structures in the formation of his paintings, the particular location of Blu’s murals decides their themes, often of protest and commentary on the state of society. Blu travels throughout the world painting murals such as “Global Warming” and “Gaza Strip”, which demonstrate environmental and anti-war concerns, respectively. Common themes of war, corporate greed and the environment characterize Blu’s purist street art as a controversial outcry against the current state of society.