This photograph taken on December 21, 2023, shows a tramway with a message reading "Equality, freedom, solidarity, ecology, it doesn't have a cost, Bus and Trams free" running on tracks in Montpellier, southern France. Montpellier, starting on 21 December, became the largest metropolis in France to offer free public transport to its 500,000 inhabitants, with tickets still being mandatory for tourists and inhabitants outside of the metropolis. (Photo by Sylvain THOMAS / AFP)