How were the Incas able to build a successful empire in one of the earth's most inhospitable areas, flourishing despite a hostile climate, perilous terrain, and earthquakes? Geologist Iain Stewart explains through examining the archaeological evidence, uncovering remarkable methods of transportation, food production and building styles that worked in the remote mountains. Secrets of the design of Machu Picchu are also revealed.

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Length: 59 min. Country: UK Language: English Producer: BBC Science and History Studio / Jeremy Phillips and Arif Nurmohamed Producers Web site: N/A Distributor: BBC Worldwide Distributor Web site: http://www.bbcworldwide.com Copyright: 2006 by BBC

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