× Information on this section of ECOLEX comes from the InforMEA Portal which compiled information from MEA Secretariats with the support of the European Union. The accuracy of the information displayed is the responsibility of the originating data source. In case of discrepancy the information as displayed on the respective MEA website prevails. Inscription: Historic Centre of Leningrad and related groups of monuments (USSR) Tipo de documento Decision Número de referencia VII.A Fecha Dic 7, 1990 FuenteUNEP, InforMEA Estado Activo Materia Especies silvestres y ecosistemas Tratado Convención para la Protección del Patrimonio Mundial, Cultural y Natural (Nov 23, 1972) Reunión 14e session du Comité Página web whc.unesco.org Resumen Historic Centre of Leningrad and related groups of monuments 540 USSR C (i) (ii) (iv) (vi) The Committee recommended strongly that the responsible authorities reinforce control over the development of polluting industries and ensure a better balance between industrial areas and listed areas. It also recommended that particular care be exercised as to the possible establishment of new tourism infrastructures, especially hotel facilities.