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Gold and diamonds, but also coal and salt... These mineral resources are often hidden deep in the earth and must be brought to light in mining. WHAT IS WHAT gives fascinating insights into a highly exciting topic!
First Air Date : Oct 06, 2001
Last Air date : Jun 26, 2010
Episode : 52 Episode
Season : 2 Season
Runtime: 25:14 minutes
Studio:
Country: Germany
Crew:
