Related links
http://www3.amb.cat/repositori/PDU/Cat%C3%A0leg%20Metr%C3%B2polis%201.pdf http://www3.amb.cat/repositori/PDU/Cat%C3%A0leg%20Metr%C3%B2polis%202.pdfPromoters

Areas Metropolitana de Barcelona
300.000 Km/s is an urban think tank