Ajouter une intrigue dans votre langueThis video is about natural minerals all around the world. Minerals represent the wealth of the country from which they origin. Its exploitation is a complex and expensive. My goal is to pre... Tout lireThis video is about natural minerals all around the world. Minerals represent the wealth of the country from which they origin. Its exploitation is a complex and expensive. My goal is to present minerals in public on an accessible manner convey the beauty of minerals. Minerals wi... Tout lireThis video is about natural minerals all around the world. Minerals represent the wealth of the country from which they origin. Its exploitation is a complex and expensive. My goal is to present minerals in public on an accessible manner convey the beauty of minerals. Minerals with its perseverance they followed and it will follow all civilization.