'A Big Country' goes looking for a railway in a rain forest. For the 50 years it ran, the railway line to Dorrigo on the New South Wales north coast was known as the 'Rag Tag Railway'. Seven hundred men took more than a decade to build it - the steepest, windiest, most expensive line in the country, and when it ran, it worked to a schedule all its own. The people of the plateau grew to love it, and things were never the same when the authorities closed it down. But now, thanks to the efforts of dedicated steam buffs, the Rag Tag is coming back to life.