Paul Njiebb writes for BBC News about the work of miners extracting coltan, a mineral essential for the production of mobile phones, at the Rubaya mine in the Democratic Republic of Congo. Despite the mining operation’s significance and the number of people employed, many of the workers endure difficult and often dangerous conditions. As the country’s mineral resources include 15% of the world’s coltan supply, it has drawn significant interest from international investors.
Source: https://www.bbc.com/news/articles/cyvj986l615o
