This musical instrument is 400,000+ years old and still growing. 🌏 Get exclusive NordVPN deal here ➵ https://NordVPN.com/veritasium It’s risk free with Nord’s 30 day money-back guarantee!✌

Special thanks to Luray Caverns - https://luraycaverns.com/

A massive thanks to Rob Scallon, please check out his YouTube channel -- he posts some incredible videos, like this one -- https://youtu.be/cVqqNigImtU?si=otDDVq_00xB3qCy6

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Join us on Patreon for early access videos, bonus content, and to support Veritasium! https://ve42.co/PatreonDE

Patrons: Adam Foreman, Albert Wenger, Alexander Tamas, Anton Ragin, Autodidactic Studios, Bertrand Serlet, Blake Byers, Bruce, Dave Kircher, David Johnston, Evgeny Skvortsov, Farbod Mansorian, Garrett Mueller, Gnare, Greg Scopel, I. H., Juan Benet, KeyWestr, Kyi, Lee Redden, Marinus Kuivenhoven, Matthias Wrobel, Meekay, Michael Krugman, Orlando Bassotto, Paul Peijzel, Richard Sundvall, Sam Lutfi, Spilmann Reed, TTST, Tj Steyn, Ubiquity Ventures, gpoly, meg noah, wolfee

If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

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Directed by Petr Lebedev

Written by Petr Lebedev

Edited by Jack Saxon

Animated by Jakub Misiek, Fabio Albertelli and Andrew Neet

Filmed by Henry van Dyck, Sumeet Kulkarni and Petr Lebedev

Additional research by Gabe Bean and Geeta Thakur

Produced by Petr Lebedev, Derek Muller, Emily Zhang, Rob Beasley Spence and Tori Brittain

Thumbnail contributions by Ben Powell, Ren Hurley and Peter Sheppard

Additional video/photos supplied by Getty Images, Storyblocks

Music from Epidemic Sound