Keystone Office | Prague | Czech Republic
| BUILDING TYPE | Company headquarters |
| LOCATION / COUNTRY | Prague, Czech Republic |
| ARCHITECT / PLANNER | EM2N, Mathias Müller, Daniel Niggli, Architekten AG |
| COLOUR SURFACE | ALUCOBOND® anodized look |
| COLOUR | Anodized Look C0/EV1 |
| CONSTRUCTION | Cassettes-Special construction |
| FABRICATOR | Sipral, a.s. and Vokoun & Pokorny, s.r.o. |
| YEAR | 2011 |
| PICTURES | © Simon Menges |