Rouge peak.  In Sochi, Russia, SkyBridge is the world's longest pedestrian bridge. It also has the world's highest swing and a 700-meter zip wire.  The mountaineering hut at the top of Tift Glacier was once reachable by foot. When the glacier started to shrink, the 170-meter-long Tift Bridge in Gadmen, Switzerland, became the only way to access the hut.  The Hanging Bridge of Ghasa, Nepal, was built to lighten congestion caused by animal herds heading up and down local roads.  Malaysia's…
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