While doing his famous "Moonwalk" step, he seemed to be walking backwards on air.
VOA: special.2009.07.05
If your bank balance is not up for taking to the air, pull on your hiking shoes and head into the valleys, where walking rewards you with some seriously fantastic and free views across the lunar-like terrain.
These children, you see, believed that the world was round, and that on the other side the little Australian boys and girls were really walking wrong way up, like flies on the ceiling, with their heads hanging down into the air.