And yet when my acquaintance summited Mt Everest, there was a Tibetan native there in a fur suit and hat.
I am almost certain that there will be evidence of native incursion into the cave. Its been there a long time; the natives have been there a long time. Young bloods with nothing to lose are always doing damn-fool things like that.
There's no evidence that Sherpas summited Everest prior to Norgay doing it with Hillary's expedition. Into The Silence covers this in more detail, if you care to read the whole book, but there were technological and cultural hurdles to it ever happening.
Everest is a pretty clear example of native people not bothering to do stupid things until white people show up and get them tangled up in the mess.
