Graffiti tags on the geometric concrete facade of the abandoned University hospital in Zagreb, Croatia

zagreb abandoned universityhospital graffiti streetart urban concrete architecture geometric facade urbandecay art tags spraypaint modern patterns building structure urbanexploration desolate citylife aerosolart vandalism artistic outdoor contemporary walls sky brutalism cubism segments decay abandonment artisticexpression creativity blue grey contrast texture urbanlandscape tagging derelict exploration creative mural streetstyle grunge croatia croatian