An aerial view shows an illegal mine in the jungle in southern Venezuela.
Rough diamonds are seen on the desk of a trader in his office in Santa Elena de Uairen in the south of Venezuela.
Heavily armed guards hold their weapons outside a business licensed to buy rough diamonds and gold in Georgetown, the capital of Guyana.
A miner named Ramon flashes a gold letter 'R' on his tooth as he smiles after working in a mine in Bolivar.