Avenue Foch, Montpellier (Photo: Jonaslange CC Commons Wikipedia)

(There is Roman stuff.)

Mel/Mélisende does a lot of travelling round in Double Pursuit, often on the TGV (train grande vitesse) the high speed train famous in France.

At a critical stage, she has to interview ‘a person of interest’ in Montpellier, a beautiful city, […]