FRET

 A FRET train is moving (blurred) on the foreground, leaving only two "head" of TGV on far platforms.  

https://bsky.app/profile/ztec.fr/post/3mfwf5j5q4h2z

https://mamot.fr/@ztec/116148616143106017

https://x.com/Ztec6/status/2048507630126055655