Metro construction. Place de l'Opéra, superimposed structure for the 3 lines, 9th arrondissement, April 16, 1900
The Grand Paris metro station at Saint Maur - Creteil will be 52 meters underground; in Paris, it is between 5 and 7 meters underground, except at Abesse (36m under the Montmartre hill). 🚇 #paris #history #vintage #photography #metro #tube #youdig ⛏️ 🤠