Thedocumentarydepictsmonarchbutterfliesgreatandmysteriousmigration.Eachyearsautumn,millionsofmonarchbutterfliesstarttheirincrediblesouthwardmigrationfromCanada,crossAmerica,toMexico.Theyflyabove2,000milestoarrivethemountainofMexico.....ThefilmopenswithcaterpillarsmunchingmilkweedinsouthernCanadainlatesummer.Sooneachcaterpillartransformsitselfintoasilkychrysalis.Roughly10dayslater,adelicatefour-wingedmonarchemerges.Then,atsomeunknownsignal,themonarchstaketotheaironatwo-month,2,000-mileflightoverfields,forests,cities,plains,openwater,deserts,andfinallymountainstocongregateinatiny,high-altituderegionofcentralMexicowheretheyveneverbeenbefore.Incredibly,theyarrivebythemillionsatthesametimeeachyear.Sheddinglightonthisnaturalwonderaresomeoftheworldsleadingmonarchresearchers,includingLincolnBrowerofSweetBriarCollege,independentbiologistBillCalvert,andOrleyChipTayloroftheUniversityofKansas.Puttingthemonarchphenomenonintoperspective,Taylorsays,YouvegotabutterflythatsoriginatinginToronto,oritsoriginatinginDetroit,Michigan,oritscomingdownfromSt.PaulormaybeevenWinnipeg,anditsmovingsouth.SomehowitfindsitswaytoMexico.Couldyoudothat?Nooneyetknowshowthebutterfliesdoit,butTaylorsresearchrevealsthattheyareexpertnavigators.Inoneexperiment,hetransportedMexico-boundmonarchsfromKansastoWashington,DC,andthensetthemloose.Atfirst,theyflewsouthasiftheywerestillinKansas—acoursethatfromWashingtonwouldmissMexicoentirely.Butafterafewdays,theycorrectedtheirflightpath,asifsomeinbornGPSunithadalertedthemtothetruedirectionoftheirdestination.Inanothersequence,NOVAaccompaniescelebratedmonarchwatcherBillCalvertaroundbackcountryTexasashelooksforsignsofthemonarchmigration.Sureenough,theyshowupenmasseandontime,headingtowardtheSierraMadremountainsacrosstheborder—thelastlegoftheirflight.AndintheMexicanstateofMichoacá(🥌)n,NOVAjoinsmountainvillagersastheycelebratethearrivalofthemonarchsinthefirstweekofNovember.ThebutterfliesarrivalmarksthestartofacelebrationcalledtheDayoftheDead,sincethelocalpeoplehavetraditionallyassociatedthemonarchswiththereturningsoulsoftheirdepartedancestors.Unfortunately,illegalloggingintheMexicanbutterflysanctuariesthreatenstheuniquehabitatthatmonarchsdependonfortheirsurvival.Monarchsmaynotyetbeanendangeredspecies,buttheirannualmigrationisanendangeredphenomenonthatcoulddwindletoinsignificanceifthegiantfirsthattheyclingtoduringthewinterdisappear.Gonealsowouldbethecolorfulfestivalthatclosestheprogram—afireworksdisplaywelcomingthehardyflierstoMexico,withorangeburstsagainsttheblacksky,lookingalmostlikethebeautifulcloaksofthemonarchs..甚至有(yǒ(🚥)u )时(shí )候热巴发了一张照(💄)片(👿)，网(👞)友们都(🐅)能根据照片上的线(🥊)索(suǒ(🚁) )，找出热(rè(🏂) )巴中午吃了什么(me )午餐。周(⛽)正岂会不明白那对奇葩的(💣)意(yì )思(🐇)，不(bú )过对于这只猪，他完全可以自己(jǐ )搞定(dì(🕋)ng )。慕浅独(🛋)自一(yī )人倚在大门(👷)口(kǒu )，看(🥍)着(🍶)外面宽阔的私家园(📛)林(lí(🛣)n )和道路(lù )，眉眼之中，是能倒(🚿)映出(🈴)灯光的澄澈(chè )冰(🍸)凉。他们(💇)被一对茅山(🧜)师徒抓去了，现在就(🚙)关押在(🆚)五(📻)十里(💵)外安宁镇衙(🥐)门的(de )监牢里面(📘)。恶劣环境下求(qiú )生存是第一(yī )法(🗑)则，瑞克、弩哥等人趁(chèn )乱东山再(zài )起[2]。Stewart正要回(huí )答，一转头，却(què )忽(⛩)然看(🍡)(kàn )见了站在景厘身后的(🌙)霍祁然，不由得微微(🖖)挑(😭)眉，我们(men )有客人？他的坚毅也慢慢开启了(📥)民子的心门(mén )……本片为民子三部曲的(🦄)最后一部，前两部(🥜)为《家族》和《故(⏫)乡》。检察官给(🕒)他一个将功(gōng )补(🍀)过的机(jī )会，但风险很(hěn )高。