Martinez Lapena-Torres Arquitectos is Barcelona-based architecture office founded in 1968 by Jose Antonio Martinez Lapena and Elias Torres Tur. Among their best-known projects are the Vila Olimpica Housing Complex (Barcelona), the La Granja Escalator (Toledo), the Restoration of the Ronda Promenade in the City Walls (Palma de Mallorca), the Restoration of Gaudi's Park Guell (Barcelona), and the Forum 2004 Esplanade and Photovoltaic Power Plant (Barcelona).