Modern Marvels Season 7 Episode 29
Watch Modern Marvels Season 7 Episode 29 full movie online free in HD with English subtitles – no download needed.
Modern Marvels: Half a mile below the earth's surface, men mine for rough diamonds--a pure carbon substance. Brilliant when cut and polished, they are marketed as the most precious gem in the world. From the earliest mines of the 4th century BC to today's technological wonders in South Africa, we explore the history and technology of the diamond mine.