Keir Dullea compared that filming this movie is was like when Stanley Kubrick filmed 2001: A Space Odyssey (1968).
Prologue: "When he first heard the cry of an infant, lightning was flashing everywhere. He could see nothing so he made his way to the very spot where the peak meets the sky. There he looked down at his feet and the lightning ceased and he saw a giant stone figure. - Diné Bahane The Navajo creation story"