Gruta do Diabo
From NSwiki, the NationStates encyclopedia.
Gruta do Diabo is the second biggest mine of Cafundeu, behind only of Santa Cecília's Mines. From it comes the biggest amount of gold and silver of Cafundéu, while in the biggest mine is taken iron ore and mineral coal.
It's also dangerous. More than 200 people already died inside Gruta do Diabo trying to get some valuable ore.
