SOS Brutalism Save the Concrete Monsters Deutsches Architekturmuseum Frankfurt Boston City Hall

Boston City Hall by Kallmann McKinnell & Knowles/Campbell, Aldrich & Nulty, as seen at SOS Brutalism - Save the Concrete Monsters, Deutsches Architekturmuseum Frankfurt

Boston City Hall by Kallmann McKinnell & Knowles/Campbell, Aldrich & Nulty, as seen at SOS Brutalism – Save the Concrete Monsters, Deutsches Architekturmuseum Frankfurt