[suspensul music [ausn] i'm aittle nes... thinkin'bout my pents' stor it'll the fir time i uld-- i'been on at sectioof rio gnde

where myarents cssed... in my li. firstime eve ani think 's gonnaonnect everhing reay, really wl for me ustin] ie been uhriver-guing here on e rio grde fothe pastix-ish years. i wanteople tonow what's o here. i wanthe love be shar. th is wilderness wild ast gets. t people don't ke heang that. ople lik heing aboua wall. rather tn talkin about puing up aence, why don' work t some rogniti

ofurutual prlems-- make ipossible for em to come he legall with a wk permit anopen theorder bo ways. we a natioof immignts, t we arelso a naon of la ill clinn] that' why our ministraon s moved gressive to securour borders re. ours' a natioof immignts, 're also nation law. eorge w.ush] we have responsility to sece our boers. presidt bush, he sned a bi today authoring the nstructi a fence alg the rder wh mexi. is fence would 700iles lon [upbeamusic] [barack ama] i thinkhe americ people,hey appriate anbelieve immration. but ey can'tave a situatn where u just he half millioneople pouring er theorder without y kind o meanism controlt.

mpletehe dangefence. 'll workhis ti. [hilary clinton]ook, i voted uhnumerousimes en i was senator spend mey to bui a barri to t to prevt , illegaimmigran from cing in. [donaltrump] oday one, will ben workin an impetrable physicaltall, poweul, beautil uthern-bder wall [appuse and eering] [upbt music] rowd chaing] ild thatall! build at wall! bud that wl! build at wall! builthat wal bud thatall! [dond trump]uild thawall! build th wall!

[benthis who idea got stted a femonthsgo. i was rkin' for me wildle biologts out west tes. and ey were scribing me how physicalall uld have me reallserious pact a lot owildlife species alonthe rio ande. and was somhing tha- that i nevereally tught aut, the actu physic entity a wall. ani guess just wand to-- to arn morebout it.

ay] um, -- [lghing] [b] on a jrney lik this, yore only good ashe team at you he. and thisroup is azing. [ausn] li that d mess ts up. en] so y-- with rses, yo don'have to place pels. stin alvado a riveruide. henows t river iwest tex like theack of h hand. heather is aornitholist. shstudies rds and buttflies along e rio, and her knowlee of just t biodiveity at lge gonnae reallymportant fothe trip uhone seco. yeah. [b] filipeeandrade an increble filmaker. i excted lik- yeah, like t mariachband d great tourage. wooh, at a sta! d it is st like, "alrht, pullp next to the dm trucks we'rdoing th thin" - is halright? [ben] jakleberg,e wos for tes parks and wilife fouation. consvation ihis thin

[ben] thwall igonna be builthrouga lot of places that are very ne and dear to hiseart. [chrissyshe may walkingy thtime youet back. - [jay] , that'sot a cool thi. - [chrsy] yeah [laughg] [jay] you sure can't jt strap r? i can t her inhe camelck. - no! no, i pua little lmet on r with a [chrissya littleasket inhe frontf your be. - ah, withoggles. - [dghter] yh, yeah,eah. [chrissyhuckling [ben] ke this ing originat in colodo and byhe time hits he, 's tiny,inuscule and thenhe unitestates takepretty mh all oft. so we cat even fat down thuh, the ver righnow, that why we' taking kes ich i'm t that b a fan o t you kn, lookinforward to t horror retch. - [ptographe alright t in the, nice a ght. - [stin] deghted. - [ptograpr] alrig, i thinthat probly got . - alrit. - nail it. - ah. what the lastime u rode aike, file? - [file] me? - ah. this mning. - this mning.

i just hped of w i'm hoin' backn again. right, l's go ke me bad disions. - [benhell, ye! - [filip let's gwith it. arrr! [bacround muc] [benwe arembarki on a,200-miljourney froml paso to t gulf ofexico. en] ridi bicycle wherthere isn't enou water. [ben] tan' my muan throh thbig bend d canoei down thrio gran. [bentryin' tundersta whe exactla wall wld g and at effec it woulhave. ♪ i dre i'm in wait, it, waittime out rious qution. there is goi to beoors inhipotentiawall.

are ere goa be doo like this taccess t rio grae? li you'll ve to gea key or somhingo acc-- . ay. ok, okay [austi wow! [filipe]ai so we a about to ent mexico ght now? [ben] nowe're ju gonna re onhe mexicside of e wall, buon the u eather] -man zon [heather it wild beg along e wall to he is massi 25-foot barri. it just els so sarate.

[jaywhile i s workinin el paso, th construed the wl, and th did it like 12 nths. from my perspecte, it wn't a re like u cry ainst thconstrucon of tt fence at t time. t then sce then - ere haveeen peop elected ke congrsman oourke whwas agait thconstrucon of a-a fence. eto] i-- don't think lot of pple the intior of thes undetand at the wl will notiterallye built at the bder, at e internatnal bounry line. it'll built welwithin he, it 100 yar. other aces it'- it's aile, miles , into t interio and evywhere is gonna lo asgly as ts or uglr. [beto] el paso for the last 20 years s been eitherhe safes thsecond-sest or t thd-safestity in arica, whicis reallremarkab, because it is atomplete od with thrhetoric about thborder.

[beto] othe 2,00miles the us-xico borr, i lieve a littlever 600 les have fens, walls ysical briers. [backgund musi [bo] and tt began afte e 2006 secure fencinact, which publicanand demoats, induci senatorobama and clinn at theime, voted fo which eentially allowed the sh admintration, and th cceedingdminisations, to putp ese physal barris anto effecvely ive all vironmenl and cal akeholders' saguards. [beto] ihink peoe who aren from the bord, this mightake a lot sense tthem lik- so whear the are proems with mexo or immration or dru, yeah, - a big git fence th steelnd concre that-- at makes lot of nse.

when y live he, you, you obvisly-- you e it difrently and yofeel it- u feel idiffertly. i ink beina politian anworking , acro the ale, in mt cases r candides, is not rarded atll. they are reward for extreme staes. i'will hur i'the reprentative om the 2d congressnal dirict of xas, whicgoes from the inges of epaso l the wato san aonio. i ha 820 mil of the rder. d i spen ni and a hf years an undeover offer inhe cia. i sit the homend secury commite. i' chased d guys all er the wld, i've chad terrists, i've chad nuclear weapon prolifetors. i've tr-i'vehased the rcotrafintes. and yolearn th your adversarhas resoces.

theyave umthe commment to dsomethin and ey're-- ey're-- they'r- they'rsmart. th's why y convertion um,n uh-- on immration osecuty has begin wh operatnal controof our bder. i went tjohn marall high scol, but [indistinct] okay, um - i'malking about en when weere in-- when werini-- yeah i to my ringff, because viously wajust supsed to. - no, de you g to-- - at are y doing? - nobut like didn't ow-- nobody ee is weang jewel. [wil we can t opational control of o borde we can eorce our laws to give terrence d a consuence tohat negave behavr. ackgrounchatter] [ben] weust got the end of theall for e first me. we nd ou- our n and won inhe bordepatrol tonow exactly whathe threais, so there not swing up with informaon out what going o

and-and so tt's why tting the rightools ismportant and-- ani think- i ink folkneed to alize thatou know,m, th we wannsere the bder, should ve secureour bord by now. - t's roll yoall-- yoall stargoing. okay, 're goa-- we're goa head bk. [ausn] theres wa-- there'like-- there is canal rht there - weust crosthe cana - [fipe] i'ltake my irt off and ve acros - [jay] i me we coul but uh- - [wil yeah. f sure, - it's sposed toe andventureright? [hther] weould jum throh here, could just sairight f. [will] ts shit ideep. [hther] you knowi can't t my bik- oheah! o that's ce. h! ooh! [wil y'all dn't tell mit was cd. - [lghing][heather yee-w, i kno [filipe]ettin' t congresan in a b of pick here. here we . - ilipe] g it. - y want the came or you nt the hd? i'll takyour han - ah.

[heaer] what yeah. - [hther] geing throh. oh yh. your govnment sates you. [laughin -i'm su. i geto my ne pointmenonime. [ling] [song the bacround] [atin] woohoo-hoo-hoo! - [j laughin -cheersboys. he well, tonly havg five be malfunions. yeah. [ben] prty good tmeal. glad iet to eathis. is heaer up? [heaer] yeahi'm up. ok.

[ausn] why? th we needour expeise. thers all the birds flyin'round. [heath] such amazing way to srt the d. justou out tre, listing to t birdson tan' everying in. and 's like such areatime to s all nds of wdlife. eather] i ew up inpstate, w york. wento collegat corne where i udied ecogy. i rked forbout fivyears as a fld biogist. then iursued my maste in thbig bend and ll in lo withhe borde onhis trip i'going toe doing asany bi surveys along e route i can f in. myntention is to surveyhese are at nobodhas really sveyed bis before toee what e biodivsity is

before potenti boer wall built. wh you thi a gh bird versity or jushigh bioversity, yodon't thk of a dert. but it some ofhe highe getationiversityand thereforbird divsity, because you ha althese dierent elations and you ve the rio grande goi through th creates a comptely difrent habat. if you'rjust cruin' on b yore gon think thers not anhing here. buif you jt stop, and ke look ound, anlisten f a littlbit, you reale this pce is ale. [spensefulusic]

en] the o gran the fouh longesriver in nor america it stas in colado, flowthrough w mexico and comes thus-mexicborder for over,200 mil in texas. ere arso many da and divsions that t rio grae runs dryelow el so. anfor near 300 mil, there isittle too water. thforgottereach. [playi the harnica] [heatherwell. [austin] let help yoout withhat. 're fucked it's hom

[filipe] we start ring oubikes, and e ride's in' pret well, anthen outf nowhersnow just srts dump' on us. [wind bling] [ben] m doing - brg the to back ale again. [jay] wo these are me big fkes. e temperure is dpping. [heath] the ros are very quily degrang. yocan rideor a lite while and th the-- the whls just cumulateud. 's stillike spring cditions erywhere [austin unting]

[austi i've ner be scared away fro- om getti you kno down to busiss and gting it ne. [austin grunting [atin] butang, at was some seris mud. that waslass fivmud right the. ustin grting some pot, you'reot ridinthe bike e bike iriding y. d uh, yore startg touestiothe procs. [file sniffl and kes a de breath] ilipe] this tng is frking hea. aking de breaths

[filip we wakep the next mning, dede ju to dumphe bikes we left r supporcrew and weontinuedn by foo [filipe unting] [fipe] litally, ony knees. what abo inoing to e valley like go' even fartherp d goin' and ovethis? ishat option? [jay] i ink our ference pot is [indiinct].

[jay] 'll justave to go ound andome back ilipe] sry, keepunning. - [filip keep gog. that's i yh. for the rst timen this tp, i meawe're on a week to the tp, butoday ishe firstay at we go a alirst hanperspecte what sobody wou ha to go tough ifhey wereo cross illelly. th wouldn' be doingt on horback, they woun't be doinit on a noe, th wouldn' be doingt on bik - ilipe] ty'd be wking-- - [benfor thremonths. we came er the us om brazi when was abo six yea old. i waborn in e countride. i rememberraveling inhe amazo anyou know li being cefree in a w. d then we werdisplad from flood

growing up irio de jeiro, we we livingn the mo notoous ghet in the rld ry much the refront drugs, d thcartel a violee. ything w better in her es. flew over herbecause mom had worker sa. and we ce over, me a mom, myister. i thk it was mom's iention to come er here and eate a n life for mend my sier, without dad, becaushe was jt a ghtmare a humaneing. was reay abusivand-- and dicted to drugs, and u know, not e kind operson th she wted to rse her ks. what ion't thi shexpectedas that

was goi to get d of all ofur legalocuments she was fad with a veryifficultecision. go bk torazil, and th try andome backm, other wathrough migratio or jt stay he and fire it ou [file] ultimely that ant for out 14 yrs, wetayed ilgally. there arfour avees or cagories tough whi one can migrate lelly in to e unitedtates. the firsand the st coon is one sed family unificatn wherpreferce is ven tohe immedte familmembers. ictoria]he secon ute is tough employ-based iigration

the thd is thrgh e refugeor asyleprocess. anthe lastategory throu the versity sa lotte. ifou lk at the pt 10 or years, u see a velling t r about million r year. ere is aap to th. fos don't oo be undomented. when somebodsays: "getn line", ny timeshere aret lines. eto] e flow omigratioto the u is rlly a fution of ourconomy the funcon of econies uhin themericas d it's hisphere, a functi of um, e kind ofiolence d brutaly, vil warsnd death that y find inentral arica at-- tt you ve und off d on in-in mexic thers so a miscception out mexi.

were at nezero um, immigrion with mexo, whh means 's not a plusr minus,ight. , most pple willhink tha you knowmost of e legal imgration is cing fromexico. it not. it coming fromentral arica. meco is acally a rtner ofurs in tryin stop illegal migratio becae they a dealing withome of t similarssues their sthern boer. [cicad singi] - [austi wow! wo lookt this! [filipe] it's rht thereman. - [atin] wow - ay] it me me go fast. - [atin] i'mo glad it's pement. -ben] no mud. issing] ustin] i just goa do thi 'cau my kneecan't be. [laughg] [st guitarusic] [benwhen thatrailer pulledn, my het ju li filled th joy.

itymbolize the d of t bicycle which isike the eatest thg that's happed thus r on therip. - [dony bring] -[allaughing - [indtinct] -hers your hse. - alght, let's do . - ] your hse's me is "dkey dust [laughing] think i'm ready for a w life tether. [lghing] alright,e'll see you. [laughin [ben] w, i've en fortunatto work ranches and too a lot packed ips all ov the amecan we. and thenhis is dosaur. [benmy mustas are soood, they knohow to re. he's a butiful mtang. - ye. [ben] knew thewould takeood caref everyby, whh is verimportan becae filipe. no idehow to re a hors

ilipe] you ink she' let me ? you ha riding ots. [austin]hat do y need, huh? how do u get on? [ben] st hop o [ausn] you kw you t it. [lghing] ye, buddy! alrit, let'so. [atin] l's go. - help me, hp me getff. - okaycome on. alrit, hold . alright. now, i gonna re ben arnd. comen, b! [hther] i' been on horse a handl of tim like t touristsituatio or like birthday pay or somhing. i'm noparticully conceed. i trust n's judgnt. you know whicmaybe i ouldt. [file] let'side! verybodyheerin

[ben] e part tt i was st exciteabout wathe big nd. bibend ran state pk is 30000 acres big nd ranchational rk is 800,000 acres combin, it's ts massiv retively uouched hitat. [jay] ancestoof mine, who wa parkand wildfe commiioner back in the '30s a '40s, vited thisountry whenhey wereooking at dignatingig nd natiol park anhe was a retively fous rancr. so thas in hislood like he es the ld d he seehow am ionna produce off of that nd. d his coent that theighest anbest useor that nd is f public creation we'rsitting e resuof thalegacy 's imptant fore toomplete at circl

and try d protec anrea thate saw prising. th's threaned right noby the l. and sof i can do sething to sort protecthat lega, then feel ke thas anmportantart of-- of my fe rightow. [wstng] [b] pay atntion, bs. histling [ben] ros! easytough, ey, easy. [heatheralright, go ead no [ben] ah, this idefinite a walke - [b] yeah. [heather carrying lot, ye. 30 mutes in venture de, engaged. en] is area

somef the gnliest, rockie, nastie terrain ve ever en in. every ngle piece of getation out he has thos and stickers a cactu [hther] alght. [heathergood, go. [file] dude,hese musngs are madeor the bkcountry rtunately, all mmustangs th were alborn in e wild public nds in the arican we. [backgund musi [benth grew upn desote rsh landapes likthis. ey know w to wal thugh thisountry, they knohow to mnder through e rocks, anstay awafrom theactus, and hoto navige througcliffs and fficulterrain. makes mproud to toee my poes take care ofverybodyo well