Explorer Albert Lin descends into an epic underground cavern

Explorer Albert Lin descends into the underground world of Seventh Hole. National Geographic Explorer Albert Lin is on an extraordinary mission to unlock the secrets of our lost cities. Using cutting edge technology to strip back the layers of time, Albert pushes himself and his team to the edge in some of the most remote and hostile environments on earth. Want to see more? Watch the full episode right here on Disney+ https://www.disneyplus.com/series/details/3s0OylodQbY4?cid=DTCI-Synergy-NatGeoPartners-YT-Acquisition-Library-GLOBAL-NatGeo-LostCitiesRevealedWithAlbertLin-EN-Youtube-NatGeo_BRAND_YT_LCRWAL-NA Enjoy a free trial of National Geographic right here: https://ngmdomsubs.nationalgeographic.com/servlet/OrdersGateway?cds_mag_code=NG9&cds_page_id= ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Watch all clips of Lost Cities with Albert Lin: https://bit.ly/WatchLostCities And check out more National Geographic series and specials here: ➡ Disney Plus: https://on.natgeo.com/3q6on5p ➡ Hulu: https://on.natgeo.com/3Qor0Ko ➡ NGTV app: https://www.nationalgeographic.com/tv/ ➡ ABC app: https://abc.com/ #NationalGeographic #LostCities #AlbertLin About Lost Cities with Albert Lin: Lost Cities with Albert Lin combines hi-tech archaeology, breath-taking visuals and genuine exploration to make headline-grabbing discoveries. About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta TikTok: http://www.tiktok.com/@natgeo Tenor: http://on.natgeo.com/31b3Koc Explorer Albert Lin descends into an epic underground cavern https://youtu.be/HwgrFT2o4LQ National Geographic https://www.youtube.com/natgeo