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.AndintheMexicanstateofMichoacán,NOVAjoinsmountainvillagersastheycelebratethearrivalofthemonarchsinthefirstweekofNovember.ThebutterfliesarrivalmarksthestartofacelebrationcalledtheDayoftheDead,sincethelocalpeoplehavetraditionallyassociatedthemonarchswiththereturningsoulsoftheirdepartedancestors.Unfortunately,illegalloggingintheMexicanbutterflysanctuariesthreatenstheuniquehabitatthatmonarchsdependonfortheirsurvival.Monarchsmaynotyetbeanendangeredspecies,buttheirannualmigrationisanendangeredphenomenonthatcoulddwindletoinsignificanceifthegiantfirsthattheyclingtoduringthewinterdisappear.Gonealsowouldbethecolorfulfestivalthatclosestheprogram—(🆚)afireworksdisplaywelcomingthehardyflierstoMexico,withorangeburstsagainsttheblacksky,lookingalmostlikethebeautifulcloaksofthemonarchs..剧集改编自理查德·普(🧡)(pǔ )雷斯顿所著的有关(guān )埃博(👻)拉病毒及其对人(🍅)类影响(🥛)的畅(chàng )销书(📨)(shū )汉军占据了自己曾(🗃)经的老巢并(🏈)在此(🚳)大(☔)兴(xìng )土木(mù )，让盘(pán )踞在(zài )深山的高句丽人探(tàn )知后，引起了(🐺)高句丽众多部(😼)(bù )落的警觉(❌)。影(yǐ(🥙)ng )片(🈴)是(shì(🤷) )童(🥖)星乔伊·金(〽)的转(🕊)型之(zhī )作(zuò(🎓) )，卡司还包(bāo )括雅各布·艾(👆)洛(🗄)蒂、乔尔·科特(tè )尼，莫利·林沃德(dé )也在(🍖)本(běn )片客串(🕤)抱琴和她相(xiàng )处久(🧢)了(⏹)，见她(tā(🗂) )如(🦄)此也明白了，道：我们(men )和你们家一样。入宫后(🧝)，轻凤为皇上的(🏀)勤政爱(🚓)民(🍀)所感(gǎn )动，心生爱慕，皇帝也视其为(wé(🎩)i )知己，更因为皇(huáng )帝曾在狩猎(🌾)时救她(👧)一命，她在感情(🏼)和任务中苦(😊)苦(kǔ )挣(zhèng )扎。他看到独眼龙的独眼果然如预期(🎗)般闭上了一瞬，那一(yī )瞬间(🚺)，周围的一(🦓)切仿佛都静止(zhǐ )了，只(👤)有鲁一的(👘)心脏在剧烈地(🦋)跳(🕎)动着。虽然(rán )咱都(🛀)知道(🛥)你什(👋)么意思，但(🈁)你(🚅)这样问出来(🤶)，不知道人家当老爸的(🧒)肯定会护(hù )短吗？听到这话(huà )，乔英(yīng )子美目闪烁，还没等她说什么，苏铭(míng )便是从房(😸)间(😲)走了出(🐏)来。