剧情：For20yearstheBotetiRiverinnorthernBotswanahasnotflowed.Whatwasonceanexpansiveandprolificbodyofwatergraduallydriedup,leavingzebras,hippos,elephantsandcrocodilesdependantonthefewpoolsformedfromtheoccasionalrains. Butnow,forthefirsttimein30years,rainhasfalleninsufficientquantitieshundredsofmilestothenorthintheAngolanh... (展开全部) For20yearstheBotetiRiverinnorthernBotswanahasnotflowed.Whatwasonceanexpansiveandprolificbodyofwatergraduallydriedup,leavingzebras,hippos,elephantsandcrocodilesdependantonthefewpoolsformedfromtheoccasionalrains. Butnow,forthefirsttimein30years,rainhasfalleninsufficientquantitieshundredsofmilestothenorthintheAngolanh... For20yearstheBotetiRiverinnorthernBotswanahasnotflowed.Whatwasonceanexpansiveandprolificbodyofwatergraduallydriedup,leavingzebras,hippos,elephantsandcrocodilesdependantonthefewpoolsformedfromtheoccasionalrains. Butnow,forthefirsttimein30years,rainhasfalleninsufficientquantitieshundredsofmilestothenorthintheAngolanhighlands,sendingastreamofwaterthroughtheriverbed.Afteryearsofextremedrought,theriverhasfinallyreturnedinallitsglory,transformingthelandscape.FilmedinstunningHD,BotetiTheReturningRiverdocumentsthisextraordinarytransformationandthedramaticchangesitbringstotheresidentanimals. Duringtheyearsofdrought,weseehowdesperatebattlesforsurvivalplayoutalongthedormantriver,watchedoverbytheelephantsofthearea.Oneofthefewspeciesthatadaptswelltothesituationbycarefullyconservingwhatlittlewaterisavailable,theelephantisanexpertatdigging...