Hot Air Ballooning in Australia

If you bought land in australia before 18 91, you had legal right to the land stretching all the way to the centre of the earth. So that was a legal principle that you just owned all the land. This was before aeroplanes were invented and before spades were inventedcouldn't go very far up or down in those days? Exactly. And then hot air ballooning was the thing which changed it,. Because people kept being worried about hot air balloons and saying, oh, you've trespassed over my house, and youhot airballoon way up there.