Travel in the middle of the night in the Paris metro cabin (closed to travelers), aboard a train used to transport equipment for maintenance work. The video starts from Invalides on line 13, and goes to La Motte PicquetGrenelle station on line 10, via line 8.
The train will first take the Invalides loop (line 13) to reach the connecting track with line 8 at La TourMaubourg, then pass through the Champ de Mars ghost station before arriving at La Motte Picquet Grenelle on line 10, via connection track 8/10.

The train is called Tracteur à Marche Autonome (TMA) or Tracteur à Marche Electrique (TME), and is driven by the Groupement Manœuvre Transport (GMT).

0:00 Invalides (Line 13)
0:48 Invalides Loop (Line 13)
1:56 Connection track Line 8
4:12 La TourMaubourg (Line 8)
5:35 École Militaire (Line 8)
6:21 Champ de Mars (Line 8)
8:18 Connection track Line 10
8:47 La Motte PicquetGrenelle (Line 10)

Music : Venkatesananda Jesse Gallagher