Santa Fe National Forest – New Mexico – USA (by Bud Ellison)
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The picture shows the Salginatobel Bridge which (according to wikipedia) “is a reinforced concrete arch bridge designed by Swiss civil engineer Robert Maillart. It was constructed across an alpine valley in Schiers, Switzerland between 1929 and 1930.”
Length: 133m; Width: 3.5m; Height ca. 100m over the ground.
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