Pure Gold, Dark Mine
Pure Gold, Dark Mine
'pure gold, dark mine' Cuevana3.io - 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.
- Género: Documental
- País:
- Director: Pietro Pellizzieri
- Actores: Bryon Caldwell,
