Toulouse... Where is this place ?

Hey guess what, I just gone to the net to search where is Toulouse? I knew that Toulouse is in France.. but I didnt know its the four largest city in France. Toulouse is not only the four largest city in France, it was also known as the city in pink.. mmm.. this puzzle me .. why is Toulouse is in pink?

You must be thinking why all of sudden I am keen to know where Toulouse is ... Well the answer is simple.. because my beloved Mr H lived there.. and I also planning to go over there for a holiday.. so yeah I got to know something about Toulouse ;)

I guess what I have found.. :

1) a city of the future and the high-tech center of the aerospace industry in France. It is home to two huge aircraft makers -- Airbus and Aérospatiale -- and the National Center for Space Research has been headquartered here for more than 3 decades.

2)In 1997, Toulouse launched an air and space museum (see the entry below for La Cité de Espace). Also making the city tick is its extraordinarily high population of students: some 100,000 in all, out of a population of 600,000.

3)An ancient city filled with gardens and squares, Toulouse has a stormy history. It has played many roles: Once it was the capital of the Visigoths and later the center of the comtes de Toulouse (counts of Toulouse).

This is the link to Toulouse map :http://www.frommers.com/images/destinations/maps/jpg/662_toulouse.jpg