大裂谷：美丽的非洲心脏

　　【内容简介】
　　东非大年夜裂谷自红海至赞比西河口，连绵三千里，从太空都能看到。这里是多姿多彩的处所，有喷发的火山、覆盖着丛林的高山、标致的峡谷、广袤的草原、巨大年夜的平湖和河道，是鳄鱼、河马、狮子、大年夜象、火烈鸟和非洲人的故里。BBC采取最新的高清拍照手艺，切磋了情势东非大年夜裂谷的地质力量，闪现全国上野活泼物品种最多的地貌。
　　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:Fire
　　Thevalleyistheproductofdeep-seatedgeologicalforceswhichhavespewedoutalineofcloud-wreathedvolcanoesstretchingfromEthiopiatoTanzania.TheirpeaksprovidearefugeforEastAfrica'smostextraordinarywildlife,includingnewlydiscoveredandpreviouslyunfilmedspecieswhichhaveevolvedsurprisingsurvivalstrategiestocopewiththeirchallengingmountainenvironment.
　　Part2:Water
　　TheGreatRiftValleychannelsahugediversityofwaterways-rivers,lakes,waterfalls,causticspringsandcoralseas-spanningfromEgypttoMozambique.Somelakeandoceandeepsharbourpreviouslyunseenlife-forms,whilecausticwaterschallengelifetotheextreme.ButwherevolcanicmineralsenrichtheGreatRift'swaterways,theyprovidethemostspectacularconcentrationsofbirds,mammalsandfishinallAfrica.
　　Part3:Grass
　　TheGreatRiftValleyprovidesthestageforanepicbattlebetweentreesandgrass-itscourseinfluencedbyvolcaniceruptions,landscapeandrainfall.OnitsoutcomereststhefateofAfrica'sgreatgameherds.IntheRift'ssavannas,grazersandtheirpredatorsstruggletooutwiteachother,forcingonegroupofprimatestodevelopasocialsystemthatpavedthewayfortheevolutionofmankind.