Nanpu Bridge with a spiral approachSimilar spiral skyway graces the approach to the Nanpu Bridge over the Huangpu River, located at the South Dock in Shanghai, China.
Double Spiral Bridge in JapanThe Kawazu-Nanadaru Loop Bridge consists of two spirals, each 1.1 km long, 80-meter in diameter - built in 1981,the only way for traffic to get down the mountainside into the valley, too steep for any other usual road-building solutions.
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