Grand Canyon: The Hidden Secrets
- Afọ: 1984
- Mba: United States of America
- Dị: Documentary
- .Lọ nka: World Cinemax, Cinema Group Ventures, Investmore Ltd.
- Isiokwu: grand canyon, travel, leisure
- Onyeisi: Kieth Merrill
- Nkedo: Daniel T. Majetich, Armando Leon Diaz, Percy Devine