SLIK, KHAN, etal .... Once Upon a Time in the West .... also one of my favorite films.
I had friends deeply involved as stuntmen and extras in that film and a couple of them were present during the filming of that 'train waiting depot' scene and told me some damn interesting shit regarding how it was filmed and some minor but interesting details like Woody Strode's or Jack Elam's scene which involved the fly and his pistol.
If I recall the story correctly .... the director (was it Leone?) just told them to act bored and do whatever came to mind.
That is one movie scene I'll never forget up to the point where the train pulls away and shows Harmonica on the other side of the track.
A simple but unforgettable motion picture footage with great music with an ending scene of railroad workers continuing to build the wild wild west.
Also liked How The West Was Won and had friends working on the railroad log freight-train combat scene. Interesting story there but I think I told those details a few yaras back.