An annual tradition turns into disaster when onlookers are swept away by a tidal wave. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #TidalWaves #Ocean 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 Tidal Wave | National Geographic https://youtu.be/4DlqVuNMydk National Geographic https://www.youtube.com/natgeo