“Empty” is just what They tell people. The reason it doesn’t collapse inward is the high pressure sulphur dioxide atmosphere inside, necessary to keep things comfy for the aliens living and working in there.
Shhh… The fact that it’s a giant bouncy castle is meant to be a secret…
On the other hand only a very few have an innate, unstoppable urge to eat you.
Does anybody think the proximity of the US’s satellite tracking station at Pine Gap to Uluru is merely a co-incidence?
I think you have said too much already. :dubious:
(I knew we couldn’t trust anyone with such a social butterfly name).
I’m only half Aussie, so I’ll only make you sick for a while. 
It’s hollow, but not empty. That’s where the dingoes stash the babies.
Contrary to popular belief, Aussies do not eat their dead. At least, that’s their story, and they’re sticking to it.
Have you ever seen a dead Australian? Where do you think they all go? (There’s no room in Uluru, with all those dingoes, babies and American spies.)
It is not true that Aussie beaches are closed every day for lunch. Swiming is still allowed during shark feeding hours.