Where can I find this video?

You have been close Know-way, it's earlier, from 1966.
It's a pseudo documentary, called Mondo Topless

http://en.wikipedia.org/wiki/Mondo_Topless

Full Video
http://es.xhamster.com/movies/3760331/mondo_topless_russ_meyer_1966.html

If i'm not wrong, the girl on the train tracks is Babette Bardot (21:30) and the other one, who is dancing is Greta Thorwald (12:30)

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A Russ Meyer masterpiece...

That was a tad too excellent feat from T0rtilla ... real porn master !
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You have been close Know-way, it's earlier, from 1966.
It's a pseudo documentary, called Mondo Topless

http://en.wikipedia.org/wiki/Mondo_Topless

Full Video
http://es.xhamster.com/movies/3760331/mondo_topless_russ_meyer_1966.html

If i'm not wrong, the girl on the train tracks is Babette Bardot (21:30) and the other one, who is dancing is Greta Thorwald (12:30)

.
I get a "shot-on-film" 1970s feel for this one. If so, we are going to need a real porn master to solve it.
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