There are at least 3 bands named Gravemind.
These are photos from concerts where Gravemind played, so they may be of other bands that played the concert as well.
Good Things Festival 2019 Dec 8, 2019 Bowen Hills, Queensland, Australia Uploaded by Stephen Fay
Make Them Suffer / After the Burial / Saviour / Gravemind Jun 15, 2019 Fortitude Valley, Queensland, Australia Uploaded by Wattoson
Unify Festival Jan 11 - 13, 2019 Tarwin Lower, Victoria, Australia Uploaded by 3000tapes