National Geographic : 1929 Feb
A PACK MULE CROSSING A SWINGING CABLE BRIDGE Crosspieces of wood are laced together to make these dizzy suspension bridges of upper Peru. Fiber mat prevents animals from slipping, and only a thin wire protection guards the sides, high above the canyon (see, also, illustration, page 159). WHETHER ONE RIDESTHE PERRY ORSWIMS, HE MUST PAY Peruvian boatmen hold licenses orconcessions forferries across nu merous rivers, and no matter how thetraveler crosses, hemust pay. The author swam his horses here, butsaddles and packs were carried over by boat.