91免费播放/免费完整版片，Thedocumentarydepictsmonarchbutterflies’greatandmysteriousmigration.Eachyear’sautumn,millionsofmonarchbutterfliesstarttheirincrediblesouthwardmigrationfromCanada,crossAmerica,toMexico.Theyflyabove2,000milestoarrivethemountainofMexico.....ThefilmopenswithcaterpillarsmunchingmilkweedinsouthernCanadainlatesummer.Sooneachcaterpillartransformsitselfintoasilkychrysalis.Roughly10dayslater,adelicatefour-wingedmonarchemerges.Then,atsomeunknownsignal,themonarchstaketotheaironatwo-month,2,000-mileflightoverfields,forests,cities,plains,openwater,deserts,andfinallymountainstocongregateinatiny,high-altituderegionofcentralMexicowherethey'veneverbeenbefore.Incredibly,theyarrivebythemillionsatthesametimeeachyear.Sheddinglightonthisnaturalwonderaresomeoftheworld'sleadingmonarchresearchers,includingLincolnBrowerofSweetBriarCollege,independentbiologistBillCalvert,andOrley"Chip"TayloroftheUniversityofKansas.Puttingthemonarchphenomenonintoperspective,Taylorsays,"You'vegotabutterflythat'soriginatinginToronto,orit'soriginatinginDetroit,Michigan,orit'scomingdownfromSt.PaulormaybeevenWinnipeg,andit'smovingsouth.SomehowitfindsitswaytoMexico.Couldyoudothat?"Nooneyetknowshowthebutterfliesdoit,butTaylor'sresearchrevealsthattheyareexpertnavigators.Inoneexperiment,hetransportedMexico-boundmonarchsfromKansastoWashington,DC,andthensetthemloose.Atfirst,theyflewsouthasiftheywerestillinKansas—acoursethatfromWashingtonwouldmissMexicoentirely.Butafterafewdays,theycorrectedtheirflightpath,asifsomeinbornGPSunithadalertedthemtothetruedirectionoftheirdestination.Inanothersequence,NOVAaccompaniescelebratedmonarchwatcherBillCalvertaroundbackcountryTexasashelooksforsignsofthemonarchmigration.Sureenough,theyshowupenmasseandontime,headingtowardtheSierraMadremountainsacrosstheborder—thelastlegoftheirflight.AndintheMexicanstateofMichoacán,NOVAjoinsmountainvillagersastheycelebratethearrivalofthemonarchsinthefirstweekofNovember.Thebutterflies'arrivalmarksthestartofacelebrationcalledtheDayoftheDead,sincethelocalpeoplehavetraditionallyassociatedthemonarchswiththereturningsoulsoftheirdepartedancestors.Unfortunately,illegalloggingintheMexicanbutterflysanctuariesthreatenstheuniquehabitatthatmonarchsdependonfortheirsurvival.Monarchsmaynotyetbeanendangeredspecies,buttheirannualmigrationisanendangeredphenomenonthatcoulddwindletoinsignificanceifthegiantfirsthattheyclingtoduringthewinterdisappear.Gonealsowouldbethecolorfulfestivalthatclosestheprogram—afireworksdisplaywelcomingthehardyflierstoMexico,withorangeburstsagainsttheblacksky,lookingalmostlikethebeautifulcloaksofthemonarchs.. 网友点评：我对人生的总结就八个字：生老病死，喜怒哀乐，我在人生大事中看到了。当人生的至悲至苦遇到了至真至纯，吵闹着明白着，哭喊着怀念着。 我的人生第一次生死观构建是看了《寻梦环游记》，我明白只要生者记着逝者，一切都会在另一边永远存在，逝去不可怕，可怕的是没人记得了，那便会永远的消散，无踪无影。这部电影没有那样的高度，却同样说了个不错的故事，它让我想到《小偷家族》，也是个重组家庭，这部没有落在家庭层面上，建仁和白雪完全是为了主角行动才出现，情感从上至下是老头对三妹，三妹对小文，这条线顺畅完美，可惜母亲角色出现即结束，编剧完全可以把本子写的更好，不至老套煽情。 配乐其实可以克制些，我听着钢琴和小提琴一个劲地演奏，虽说是殡仪业也不至于如此急切地想要赚取观众眼泪，克制了，有些关于文化和人性的美也就显现了。
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