On this edition, we visit Mongolian nomads and get a first-hand view of how cashmere wool is made. We check out an infrasound station in Greenland that monitors global atomic activity. We find out about sustainable water management schemes in Peru and take a journey into Iraq's past when trains still ran on time.<br /><br />More International Reporters: http://www.dw.de/program/world-stories/s-30419-9798
