Before revision: Natural copper patina at the Nordic Embassies (Berlin)Nordic Embassies Berlin : Architecture Information , URL Facade cladding (copper cladding; copper wall cladding) with alloys of copper, e.g.
After revision: Natural copper patina at the Nordic Embassies (Berlin)Nordic Embassies Berlin : Architecture Information Facade cladding (copper cladding; copper wall cladding) with alloys of copper, e.g.