For today's Geo Quiz.........follow your nose.
We're looking for one of the wine capitals of the world.
This city in south-western France has produced wine since the 8th century.
Breath in the air around any of the thousands of wineries called chÃ¢teaux.....
...And you may detect the aroma of the classic red wine produced here.
We'll talk to the owner of a chateaux that's been producing some of the most expensive and prestigious wines in the world.
Now his nose is among the most prestigious noses in the world.