The Politecnico of Torino hosted the IIC 27th biennial congress which gathered more than 500 professionals working in the field of heritage from all over the world for a 5-day discussion on preventive conservation. The event was organized by IIC - International Institute for Conservation of Historic and Artistic Works – in partnership with the City of Torino, IGIIC, the Centro Conservazione e Restauro La Venaria Reale and Turismo Torino e Provincia.