https://healthybuildingnetwork.com/wp-content/uploads/2022/06/13-SYMPOSIUM_Healthy_Building_Network_Museum_Abteiberg_SocialMedia_0016-1.jpg9981500[email protected]https://healthybuildingnetwork.com/wp-content/uploads/2018/06/logo-HBN-green-300x206.png[email protected]2022-06-08 09:19:352022-06-08 09:23:19Abschluss-Symposium des HBN gibt Einblicke und Ausblick für Gesundes Bauen in der Region