Toulouse is a city located in southwestern France known for its aerospace industry and as a center for cancer research. It is home to the headquarters of Airbus, Galileo, and other aerospace companies. Toulouse also hosts l'Oncopole de Toulouse, the largest cancer research center in Europe. Several important landmarks are mentioned, including the Basilique Saint Sarnin church, Place du Capitole square, and the historic Pont Neuf bridge. The author chose to write about Toulouse because it is where they lived as a child and they have fond memories of the city.