These are dead fighters that traveled from the Dagestan area of Russia to fight with the IS in Syria.
They were all Urbek tribal members and were ambushed by the Syrian military as they tried to enter the ancient city of Palmyra (before ISIS managed to capture it a few months later).
This guy was 82 yrs old and when ISIS took over Palmyra a several months back he decided to stay, even as the Syrian army fled.
He was the director of the Palmyra museum and had spent decades collecting and preserving thousands of artifacts from the ancient ruins.
ISIS has been looting many...