> sometime before the cave was protected/commercialized It doesn't matter what official designation it has or when it attained it, I'm using "nature reserve" t

> sometime before the cave was protected/commercialized It doesn't matter what official designation it has or when it attained it, I'm using "nature reserve" to distinguish it from non-descript fields and planes. The point is that some parts of these amazing places got very easy access for uninterested people as roads and suburbs sprawl... and then the damage happens, but it becomes even worse due to selfies.