Open door to a technical room with a handful of bicycles.
https://files.mastodon.social/media_attachments/files/113/289/876/130/395/646/original/284495763a2f2fbd.jpg
Secret bicycle room hypothesis confirmed! Proof that it's possible to take the outdoor of a TGV and make an indoor experience that isn't crap 👌
In 2nd class the secret room is bicycles + trash bags, in 1st class it's an (unused) executive meeting room.
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