Also known as "Ethnocide: Notes sur la région du Mezquital", this is a documentary produced by Mexico and Canada in a conjoined effort, directed by Paul Leduc. This video is an extract of it, presenting some aspects regarding the history of the Mezquital Valley, including Tula, Actopan, Ixmiquilpan, Huichapan and other towns. It's a beautifully pulled together scene, in which without dialogue and only with music the video is carried on, much like the Koyaanisqatsi movies.
The whole documentary is arranged just as the alphabet is, with A being "antecedentes/antécédents", B being "burguesía/bourgeoisie", C being "clases/classes", and so on. So, this one present is scene H. At the end you can see how scene I is about to start.
I highly advice looking for the complete documentary if you can speak Spanish or read French. And once again, God bless archive.org
All credit to its original authors. I just uploaded this to make some divulgation of the thing itself.