Let's head "down under" for the answer to today's Geo Quiz.
The Australian Football League reaches its finale this weekend. The Sydney Swans take on the West Coast Eagles in the Grand Final.
It's being played in Melbourne's cricket grounds.
Aussie football or footie as its called originated back around 1858. But some say it evolved from an earlier Aboriginal game called Marn Grook.
Aboriginal sports commentator Grant Hansen highlights a few of the finer points of this very rough sport in this audio postcard sent in by Jake Warga.
more information about Aussie football