Žáner: Dokumentárny
Hviezdy: Richard Kiley
posádka: Robert Hanna (Director of Photography), Christopher Fryman (Cinematography), Jill Shinefield (Production Assistant), Robert Dean Hughes (Post Production Assistant), Ann M. Parish (Assistant Editor), David L. Lahaie (Post Production Supervisor)
Krajina: United States of America
Jazyk:
štúdio: WQED, National Geographic
Runtime: 58 minút
kvalita: HD
Vydané: Mar 13, 1991
IMDb: 10
Kľúčové slová:gemstone, national geographic
