BBC：大裂谷-美丽的非洲心脏

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【内容简介】东非大裂谷自红海至赞比西河口，连绵三千里，从太空都能看到。这里是多姿多彩的地方，有喷发的火山、覆盖着森林的高山、美丽的峡谷、广袤的草原、巨大的平湖和河流，是鳄鱼、河马、狮子、大象、火烈鸟和非洲人的家园。BBC采用最新的高清摄影技术，探讨了形式东非大裂谷的地质力量，展现世界上野生动物品种最多的地貌。Visiblefromspace,Africa’sGreatRiftValleyrunsthreethousandmilesfromtheRedSeatothemouthoftheZambezi.It’sadiverseterrainoferuptingvolcanoes,forest-cladmountains,spectacularvalleys,rollinggrasslands,hugelakesandmightyrivers,andishometocrocodiles,hippos,lions,elephants,flocksofflamingosandadiversityofindigenouspeoples.Usingstate-of-the-arthighdefinitionfilmingtechniques,thisseriesinvestigatesthegeologicalforceswhichshapedEastAfrica’sGreatRift,andwhichmakeitoneoftheworld’smostwildlife-richlandscapes.Part1:FireThevalleyistheproductofdeep-seatedgeologicalforceswhichhavespewedoutalineofcloud-wreathedvolcanoesstretchingfromEthiopiatoTanzania.TheirpeaksprovidearefugeforEastAfrica’smostextraordinarywildlife,includingnewlydiscoveredandpreviouslyunfilmedspecieswhichhaveevolvedsurprisingsurvivalstrategiestocopewiththeirchallengingmountainenvironment.Part2:WaterTheGreatRiftValleychannelsahugediversityofwaterways-rivers,lakes,waterfalls,causticspringsandcoralseas-spanningfromEgypttoMozambique.Somelakeandoceandeepsharbourpreviouslyunseenlife-forms,whilecausticwaterschallengelifetotheextreme.ButwherevolcanicmineralsenrichtheGreatRift’swaterways,theyprovidethemostspectacularconcentrationsofbirds,mammalsandfishinallAfrica.Part3:GrassTheGreatRiftValleyprovidesthestageforanepicbattlebetweentreesandgrass-itscourseinfluencedbyvolcaniceruptions,landscapeandrainfall.OnitsoutcomereststhefateofAfrica’sgreatgameherds.IntheRift’ssavannas,grazersandtheirpredatorsstruggletooutwiteachother,forcingonegroupofprimatestodevelopasocialsystemthatpavedthewayfortheevolutionofmankind.