The world's tallest and most advanced bridges were built with cutting-edge innovative technology, and behind-the-scenes access reveals how these colossal structures are 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 Tallest Bridges | |
Air Date: | March 18, 2020 | |
Runtime: | 60 min | |
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