Has anybody ever noticed that part of it is man made? Watch Empire Strike Back. Luke goes to the tree, down into the hole in the base of it, but when the apparition of Vader steps into frame, he is clearly walking through a man made stone (?) archway.

I know the going story is that the Jedi Minch defeated a dark Bpfasshi Jedi here, but the canonicity is in dispute and this is never addressed in that Star Wars Tales comic that I know of.

Anybody have any thoughts? Is the cave the remains of a Sith temple?