Karber UGW report.pptx [Read-Only]

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M.G. Lay and James E. Vance, Ways of the World: A History of the World’s Roads and of the Vehicles that Used Them, (G.$<)0)4)J?!arl!H-0/#$!'&.;#$.0J!
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Chinese contribution was the provision of roads in precipitous regions by the use of cliff-face


gallery roads. The four most famous were in Shaanxi Province, and work on the most notorious of


these – the Shaanxi to Sichuan cliff road – began in the Warring States period in 475-221BC. #

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