hardlogic

A hundred feet in the air, but it's back is on the ground. What is it?
Common Wrong Answers
“A tall building”
A tall building does not have a 'back' that is on the ground; it stands upright and is not a living creature.
“A tree”
While a tree may be tall, it does not have 'feet' or a 'back' in the way a centipede does; trees are stationary and do not flip over.
“A kite”
A kite can be high in the air, but it does not have feet or a back, and it does not relate to the concept of being flipped over.