Provence-Alpes-Côte d'Azur daily basis, but cities are investing in public transport networks such as Marseille's subway (2 lines) and tramway (3 lines), Aubagne's tramway (1 line) and Nice's tramway (1 line). Other networks existed at the beginning of the 20th century in smaller cities such as Aix-en-Provence, Avignon, La Ciotat and Toulon but are now gone. Major universities of the region include the Aix-Marseille University, the University of Toulon, the University of Avignon and the University of Nice Sophia Antipolis. Other towns have higher education classes but no Universities. Provence-Alpes-Côte d'Azur Provence-Alpes-Côte d'Azur (; ; ; PACA) is one of the 18
Alpes-de-Haute-Provence of Basses-Alpes was renamed Alpes-de-Haute-Provence. Here is an unflattering excerpt from an article called "Basse Alpes" from the Atlas Larousse published at the beginning of the 20th century: ""Scattered whitish rocks stand out like bones, a thin topsoil where bushes languish, some mountain flowers and stunted trees ... these mountains form almost everywhere a dreadful desert which will not have more inhabitants: this is the Sahara without the sun of Africa, with the snows of Siberia."" (P. Joanne). ""On these steep slopes deforestation and flooding have resulted in a lack of fertile soil and agriculture has been the most miserable.