Aix-en-Provence a UFO in 1981 that is taken seriously by GEIPAN, the department within the French Space Agency responsible for investigating aerospace phenomena. Aix-en-Provence is officially twinned with the following seven cities (in alphabetical order): In addition, Aix has international cooperations, partnerships and exchanges with the following cities from all over the world: Aix-en-Provence was the birthplace of: Aix-en-Provence Aix-en-Provence (; , ; ), or simply Aix (; medieval Occitan "Aics"), is a city-commune in the south of France, about north of Marseille. A former capital of Provence, it is in the region of Provence-Alpes-Côte d'Azur, in the department of Bouches-du-Rhône,
Alpes-de-Haute-Provence character, with a transition between the snow regime of the high valleys and the mediterranean rainfall regime in the lower mountains and below. The summer low water levels are severe and violent floods occur when heavy rains fall which is often in autumn. The Durance, Verdon, Bléone and Buëch have had the construction of several dams and the diversion of parts of the river for irrigation and power generation in the 20th century. The climate of the Alpes-de-Haute-Provence department is a Mediterranean climate degrading by altitude and latitude. In fact, while in the lower valleys and flat lands of Haute-Provence