A cultural project aiming at the valorisation of the Visconti castles in the Milanese metropolitan area. The Municipality of Trezzano Sul Naviglio, the Consortium of the Municipalities of the Navigli and the Milan Politecnico (DAStU _Laboratory TeCMArcH) are part of the Working Group led by the Municipality of Cusago in partnership with the Association of Social Promotion - Ente del Terzo Settore Banca del Tempo di Cusago.