Cutting-edge tech and the latest science are helping engineers build record-breaking bridges that push construction to brand-new heights, and experts reveal the secrets of how these megastructures are being built. This is a mashup of S02E02, "World's Tallest Bridge" (Millau Viaduct) and S05E09, "Himalayan Mega Train" (Qinghai-Tibet Railway). |
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Title: | World's Greatest Bridges | |
Air Date: | November 16, 2019 | |
Runtime: | 60 min | |
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