Heat, hills and strong winds figure in today's Geo Quiz.
That's what bikers, including Lance Armstrong, are up against as they compete in the Tour Down Under.
The international cycling event is now under way in Australia.
The Tour takes place in and around South Australia's state capital.
You can scan the continent's fifth largest city from atop "Mount Lofty"... the city's not so lofty hill.
Gulf St. Vincent appears off in the distance stretching out toward the Indian Ocean.
But it's the view of the cycling competition that we're interested in ---so quick -- can you name this city?
Today we're heading to South Australia where the international cycling race, the Tour Down Under, is under way.
The answer is Adelaide, Australia. Anchor Marco Werman gets details about the race from ABC (Australian Broadcasing Corp.) sports reporter John Thompson-Mills who's got his eye on American cyclist Lance Armstrong as he tries to make a comeback.