A playground. That was it. That's where I hadn't been in years. That was Sash and I's secret hiding spot, hidden between all the houses surrounding it. Somewhere along the way, we stopped coming. We grew old.
The rain had stopped during the forenoon and three times we had heard planes coming, seen them pass overhead, watched them go far to the left and heard them bombing on the main highroad...."
VOA: special.2011.06.26
Then it just stopped, not overnight but the articles decreased so we knew it was coming to an end, thank God.
Those are the main things that we can talk about with any sense of certainty, but of course that hasn't stopped archaeologists and others from coming up with a multitude of theories about the purpose of these places.