David Cameron announced the three-year funding to support the Afghan Ministry of Mines at an event at Downing Street.

BBC: UK to give Afghanistan ?10m to fund mining programme

The answer was to support prices artificially by seizing control of all the mines.

ECONOMIST: THE DIAMOND BUSINESS

Countries whose mines are not mechanized, such as India, Poland and especially China--which mines about a billion tons of coal a year--need infrastructure to support high-tech machines.

FORBES: The big dig