Mongolian minerals and Australian wine

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Insight, wit and analysis from BBC correspondents, journalists and writers from around the world, presented by Pascale Harter. In this edition: two tales of natural wealth and international commerce, from very different industries. Justin Rowlatt is in the Gobi desert, unearthing the beginnings of Mongolia's current mining boom. Profits from the country's vast mineral deposits might offer a way out for nomads who've been driven from their traditional way of life by disastrous winters. But how evenly will the money be spread around? And in the vineyards and wineries of Australia, Jim Carey discovers why the days of "Chateau Chunder" are over Down Under. Tipple from Oz was once cheap, cheerful and of variable quality - but with ever more buyers in China wanting ever-finer wines, the industry is moving steadily upmarket.