HardClassic
I am lighter than a feather yet I carry millions of tonnes. I have no shape yet I take every shape. I float even though I am enormously heavy. What am I?
Answer: White — it is a polar bear at the North Pole. The only place on Earth where you can walk one mile south, one mile east, and one mile north and end up in your exact starting position is the North Pole. The only bear native to the North Pole is the polar bear, which is white.