Thisthree-partseriesjourneysthelength,breadth,andheightoftheAndestorevealtheincrediblenaturalhistoryofthelongestmountainrangeonearth.IntheNorthernAndes,risingmountainsanderuptingvolcanoeshaveproducedastunningvarietyoflife.Boastingpoisonfrogs,leglessamphibians,high-flyingmonkeys,thecontinentsonlybears,andtheworldslasttropicalglaciers,theNorthernAndesareunlikeanywhereelseonEarth.
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