A visit to five continents to view the mining, cutting, selection and selling of diamonds, rubies and emeralds. Included: New York City's “diamond district”; mines in Colombia and Thailand.
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- Premise: A classic series of films exploring nature and man in various cultural and historical contexts. Beginning in the 1960s (when they aired on CBS), the specials set a standard for vivid documentary filmmaking and the many `Nat'l Geo' prizes include Emmys for… (more)