Discover what lies behind the doors of historical buildings, typically closed to prying eyes. During Cultural Heritage Days, you can peek inside such places as the ELTE University LibraryCentral European Universitythe Japanese Garden of Zugló, or the Headquarters of the Hungarian Social Security. Moreover, you can participate in events, workshops and guided tours for free: enjoy an outdoor concert of the Golgota Gospel Choir, try your hand at calligraphy, learn about restoration, savour tea in the Japanese Garden Teahouse Pavilion, or delve into the stories of the Bauhaus villas on Napraforgó utca's Experimental Housing Estate.