| OKATECH
Breathtaking views
| OKAWOOD
State-of-the-art use of daylight
| OKASOLAR, OKATHERM
Daylight in use
| OKASOLAR W
Healing Haven
| OKASOLAR F, OKATHERM
Fact-finding in Bayreuth
| OKALUX K
Illuminated hill
| OKASOLAR S
Artificial horizon
| OKALUX K