The European Union imports huge amounts of metal. Yet buried deep in Europe's bowels is a treasure trove of copper, zinc and other precious metals.<br /> <br />Researchers have been digging deep to uncover ways to put European mining back on the map and they're not short of ideas. <br /> <br />Europe's deepest metal mine is seemingly unfathomable, at 1,430 meters. <br /> <br />...<br />http://www.euronews.net/
