Zyklon was a Norwegian Blackened death metal (with industrial overtones) band formed in 1998 in Notodden, Norway by members of Norwegian black metal band Emperor (Samoth and Trym), eventually settling as a four-piece with members of Myrkskog (Secthdamon and Destructhor) as well. The band was created in order to make up for the fact that Emperor was no longer playing live at the time.
These are photos from concerts where Zyklon played, so they may be of other bands that played the concert as well.
Twisted Sister / Dio / Anthrax / Katatonia / Zyklon / Ολέθριο Ρήγμα Jul 9, 2005 Malakasa, Greece Uploaded by Michael Grantas
rockwave festival 2005 Jun 24 - Jul 9, 2005 Athens, Attica, Greece Uploaded by Dimitris Cem
rockwave festival 2005 Jun 24 - Jul 9, 2005 Athens, Attica, Greece Uploaded by Michael Grantas
Arch Enemy / Zyklon / Stampin' Ground Feb 24, 2004 Barcelona, Catalonia, Spain Uploaded by Rock And Metal Music Videos
With Full Force VIII Jun 22 - 24, 2001 04509 Löbnitz, Germany Uploaded by Laza