UPGRADING OF EXISTING GREEN CORRIDOR GREEN CORRIDOR Â TO THE CENTRAL/MONTSILVANO ZONE TO IMPROVE ACCESS TO URBAN PARKS AND TO THE NORTH RIVIERA. UPGRADING OF EXISTING GREEN CORRIDOR GREEN CORRIDOR Â TO THE CENTRAL/MONTSILVANO ZONE TO IMPROVE ACCESS TO URBAN PARKS AND TO THE NORTH RIVIERA.share on FacebookTwitterLinkedinEmailreport an issue