This work first appeared on SAPIENS under a CC BY-ND 4.0 license. Read the original here. “I’ve been told this is the longest suspended water system in Nepal,” Mitch Silver, a self-described high-altitude plumber, explains as we climb the treacherous cliffside, following the narrow pipeline that hangs above our heads. “People just don’t do this—run 300, 400 meters of cable across a gorge for a pipeline.” Gravel breaks loose with each step, tumbling more than 300 feet down to the icy blue river that rushes from the Himalayan peaks that…