director, Weijun Chen ; producer, Don Edkins ; produced by STEPS International in co-production with Arte France, Arte GEIE, BBC, DR-TV, NHK, SABC, SBS, SVT, YLE, ZDF, and ITVS International
produced by NHNZ in association with PBS, ARTE France, CCTV9, Discovery Networks Europe, ZDF, ZDF Enterprises and NHK ; producers, John Cullum, Hayes Baxley, and Quinn Berentson ; writers, Craig Meade, John Cullum, Andrew Murray, Mark Everton, and Gary Parker
produced by NHNZ in association with PBS, ARTE France, CCTV9, Discovery Networks Europe, ZDF, ZDF Enterprises and NHK ; producers, John Cullum, Hayes Baxley, and Quinn Berentson ; writers, Craig Meade, John Cullum, Andrew Murray, Mark Everton, and Gary Parker
produced by NHNZ in association with PBS, ARTE France, CCTV9, Discovery Networks Europe, ZDF, ZDF Enterprises and NHK ; producers, John Cullum, Hayes Baxley, and Quinn Berentson ; writers, Craig Meade, John Cullum, Andrew Murray, Mark Everton, and Gary Parker
produced by NHNZ in association with PBS, ARTE France, CCTV9, Discovery Networks Europe, ZDF, ZDF Enterprises and NHK ; producers, John Cullum, Hayes Baxley, and Quinn Berentson ; writers, Craig Meade, John Cullum, Andrew Murray, Mark Everton, and Gary Parker
produced by NHNZ in association with PBS, ARTE France, CCTV9, Discovery Networks Europe, ZDF, ZDF Enterprises and NHK ; producers, John Cullum, Hayes Baxley, and Quinn Berentson ; writers, Craig Meade, John Cullum, Andrew Murray, Mark Everton, and Gary Parker