Promotion of the Interreg Danube Region Project SPONGECITY within the APLE Fest Banja Luka
Promotion of the Interreg Danube Region Project SPONGECITY within the APLE Fest Banja Luka, held on 20 February 2026 at 12:00 during the Open Talk session on the main stage in the hall of the Faculty of Architecture, Civil Engineering and Geodesy University of Banja Luka (AGGFBL).