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
Allons, Alpes-de-Haute-Provence plots. The commune has a very large number of buildings and structures that are registered as historical monuments. For a complete list of the buildings listed as historical monuments with links to individual items see here. At Vauclause, the remains of the castle are called the "Saracen Tower". There are several lordly manor houses, sometimes called castles: The old communal Oven was inaugurated in 2009 after having restoration done inside The commune has many religious buildings and structures that are registered as historical monuments: Allons, Alpes-de-Haute-Provence Allons is a commune in the Alpes-de-Haute-Provence department in the Provence-Alpes-Côte d'Azur region of