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Hang Sơn Đoòng in Phong Nha-Kẻ Bàng National Park is the largest known cave in the world, big enough to have its own jungles, weather, and... pearls? Go to to try out Brilliant’s Daily Challenges. The first 200 subscribers get 20% off an annual Premium subscription. Hosted by: Olivia Gordon SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at ---------- Support SciShow by becoming a patron on Patreon: ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, Katie Marie Magnone, D.A. Noe, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg ---------- Looking for SciShow elsewhere on the internet? Facebook: Twitter: Tumblr: Instagram: ---------- Sources: :// Image Sources: @N07/49705655752 ẻ-bàng-vietnam-gm1195256637-340638489 :
