It is subtitled: The legend of the Maya city, destroyed by themselves for religious reasons.
https://www.youtube.com/watch?v=H__4F3t4IxE
https://www.youtube.com/watch?v=Dp3BlFZWJNA
A friend used to run a nightclub in Wales, and I remember a drunken afternoon with students in the empty club and him aski
ng me my choice of music to play really loud through the system. So I gave them a cd of my favourite- Scelsi's Uaxuctum. I walked around the dancefloor in the dark and it was unforgettable! I also remember playing Prenderecki's Threnody, though I think they were choosing Roni Size!