# Sentinels of silence

With teacher's guide Producer, Manuel Arango; director and writer, Robert Amram; narrator, Orson Welles; music, Mariano Moreno; photographer, James Freeman; film editor, Alex Beaton Summary Presents scenes of stone palaces, deserted temples, pyramid mounds and ./ia metadata sentifrom seven sites in Mexico as filmed from a helicopter.

- Kind: Educational
- Year: 1973
- Runtime: 18 min
- By: Producciones Concord, Encyclopaedia Britannica Educational Corporation
- Genres: Education, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/sentinelsofsilence)
- Licence or status: none stated by the archive
- Who can watch: Kids profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/sentinelsofsilence?play=1)