Pure Gold, Dark Mine
Pure Gold, Dark Mine
Pure Gold, Dark Mine en PortalulTauTV. In nature, gold is mainly found in strands related to quartz, and there are about 400 mines and refineries where gold is extracted. To extract the precious metal were, and unfortunately in many countries are still used, mercury and cyanide.
- Gen: Documentar
- Țară:
- Director: Pietro Pellizzieri
- Distribuție: Bryon Caldwell,
