Beyond Graffiti: Clever Guerrilla Urban Art Installations Spanish artist SpY has refined his subversive urban art interventions over decades of work converting conventional spaces into extraordinary places. He is an international sensation that adapts his work to whatever process and materials a situation calls for, from giant posters and billboards to small-scale transformations. Many of… Fortsett å lese Beyond Graffiti: Clever Guerrilla Urban Art Installations