Studies about Kyrgyz small-scale mining were conducted by the World Bank and the Geological Survey of Denmark and Greenland.

BBC: NEWS | Technology | Miners tap into video goldmine

Using the technology, they were able to share their experiences with fellow miners in Ghana, where small-scale mining has been going on for years.

BBC: NEWS | Technology | Miners tap into video goldmine

People survive either from agriculture or from small-scale mining of gold or colombo-tantalite, an ore used in mobile phones that makes its way to the outside world through Uganda or Rwanda.

ECONOMIST: Eastern Congo