Minas de safira, 12 anos depois
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28:26
Madagascar : la vallée maudite du saphir | ARTE Reportage
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50:56
Mogok: O vale do rubi da Birmânia
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23:16
4000 mortos na Guerra Esmeralda: Rei Carranza contra os cartéis de drogas
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53:02
Ruée vers l'or au Burkina Faso - Régis Kamdem
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42:03
WORTH OVER $100 BILLION. This Is How People Mine Huge Diamonds & Gems Hidden Deep Underground
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49:06
Madagáscar: faixas, safiras e madeiras preciosas | As estradas do impossível
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30:10
DIAMANTES SUJOS - As Crianças Mineiras de Serra Leoa 🇸🇱
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28:02