Burial of Enemies, Sometimes Performed by the Conquerors
Source: TTT
1 Kings 11:15
Earlier, when David was in Edom, Joab the commander of the army had gone to bury the dead and had struck down every male in Edom.
Ezekiel 39:11–14
And on that day I will give Gog a burial place in Israel, the Valley of the Travelers, east of the Sea. It will block those who travel through, because Gog and all his hordes will be buried there. So it will be called the Valley of Hamon-gog. / For seven months the house of Israel will be burying them in order to cleanse the land. / All the people of the land will bury them, and it will bring them renown on the day I display My glory, declares the Lord GOD.