To save your world-view, it is necessary for you to reject all conflicting evidence as being fraudulent.
This is exactly how some people come to believe that O.J. Simpson is innocent.
There is nothing that could, even in principle, be shown that would make one whit of difference to you. I have hopes, though, that not everybody reading this thread will be as...unimpressionable, let's say.
But still, I can't resist asking: what if those skulls really are accurate, and somehow you accepted them? Would you have to change your opinion about the evolution of man?
What would change your opinion that we descended from something other than humans?