There are numerous bands by the name of Avatar.
These are photos from concerts where Avatar played, so they may be of other bands that played the concert as well.
Alcatraz Metal festival 2014 Aug 8 - 9, 2014 Kortrijk, Flanders, Belgium Uploaded by Sheb
Bloodstock Open Air 2014 Aug 8 - 10, 2014 Walton-on-Trent, UK Uploaded by Josh King
