There are plenty of caves that show evidence of long-term use of fire and burials, a good indication of habitation. However, it's true that caves were never a p

There are plenty of caves that show evidence of long-term use of fire and burials, a good indication of habitation. However, it's true that caves were never a primary mode of habitation, just one that was convenient when it could be found... and pretty much the only one that we can see now due to differential preservation.