Companies Marcus Li AF, AFRICA, CE, CENADEP, CONGO (KINSHASA), DEMOCRATIC REPUBLIC OF CONGO, DEVELOPMENT, DRC, ECONOMIC GROWTH, FRÉDÉRIC MALU, FREDERIC MALU, GÉCAMINES, INFRASTRUCTURE, INVESTMENT, KATANGA, LUALABA, LUBUMBASHI, MALU, MINING, MONGABAY, RICHARD MUKENA, WORLD BANK Challenges Facing Artisanal Miners in the Democratic Republic of Congo