An ancient priest killing a lamb as a sacrifice amidst a crowd of people. Etching by J. van den Aveele, 1681.

The priest has cut open the underside of the lamb and holds up its stomach and guts (?). Its heart and aorta are on the ground. Right, another priest swings a censer; left, a third priest purifies the people with drops of liquid shaken from a thyrsus. Foreground, a man washes himself in the water of a fountain. Left background, human sacrifice