Directed by Maureen Gosling and Ellen Osborne In Spanish and Zapotec with English subtitles Unrated , 74 minutes In a cumbersome opening voice-over , this film 's co-director and English-language narrator , Maureen Gosling , vows to demythologize the Zapotec people of Juchitan , a town on the Isthmus of Tehuantepec in southeastern Mexico .