What is the biggest massacre in history? And where did it happen?

The Death Road Massacre, certainly, this is not the largest massacre in history, but it is one of the ugliest things that happened in our time - this picture was on the morning of February 27, 1991, when Saddam Hussein ordered "to withdraw from Kuwait" in response to United Nations Resolution No. 660, at the end of the Second Gulf War. 00 vehicles and more Iraqi soldiers were killed in a few hours, and among the victims were also Iraqi women and children who were in Kuwait and withdrew with the army for fear of reprisals against them.- They were killed in cold blood despite the declaration of a cease-fire guaranteed by the United Nations and Iraq's announcement of withdrawal.Everything in the picture here is dead, even the trucks are completely destroyed.