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 metal were, and unfortunately in many countries are still used, mercury and cyanide |
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Ratings: | IMDB: 0.0/10 | |
Released: | January 1, 2022 | |
Runtime: | 25 min | |
Genres: | Documentary Short | |
Countries: | Italy | |
Companies: | Pietro Pellizzieri | |
Cast: | Byron Caldwell | |
Crew: | Pietro Pellizzieri | |
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