posted on Sep, 15 2007 @ 09:46 PM
Indeed it's an old topic, with 2012, aliens and UFO being such hot topics, you don't see many hollow earth discussions currently on board.
It's interesting to me because it's our own backyard, yet we know nothing about what's really deep inside.
Melting magma core, that's what my grade school teacher told me decades ago.
Yeah? How'd you know?
But adults and scientists never liked to be challenged on their "theories".
Edit: Trigger happy.
[edit on 15-9-2007 by chickeneater]