Underground drilling in emerald mine.Mine owned by Rio Tinto

Woman panning for Gold

Working underground in the Arcturus gold mine.

Working underground in the Arcturus gold mine.

Miners working underground.

Men selecting rocks for lime kiln

Miners one with a long spade at the goldmine of Fofoca where goldbearing rock is mixed with copper. Brasil

Workers carrying sacks of earth up a ladder at the biggest hand dug hole known as the cava digging for gold.  Brasil

A group of workers covered in mud sat on sacks of earth at the biggest hand dug hole known as the cava digging for gold.  Brasil

General view of the many workers at the biggest hand dug hole known as the cava digging for gold. Ladders resting against the rock face. Brasil

General view of the many workers at the biggest hand dug hole known as the cava digging for gold. Brasil

Loading large truck at manganese mine. Lorry