I get this is a joke but the reason we find stuff in caves isn't that they _lived there full time_ it's that stuff was only preserved there. Try building a wood

I get this is a joke but the reason we find stuff in caves isn't that they _lived there full time_ it's that stuff was only preserved there. Try building a wood house on the shores of the ancient Mississippi and seeing if you can find a trace of it in 30,000 years.