![World's biggest drain hole is terrifying 'portal to the middle of the Earth' - World News - Mirror Online World's biggest drain hole is terrifying 'portal to the middle of the Earth' - World News - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article30612103.ece/ALTERNATES/s615b/0_Glory-Hole-drains-flood-filled-Lake-Berryessa-USA-08-Mar-2017.jpg)
World's biggest drain hole is terrifying 'portal to the middle of the Earth' - World News - Mirror Online
![This is a dam drain located in Águas Vermelhas, Brazil. Children jump over the safety fence to swim. : r/oddlyterrifying This is a dam drain located in Águas Vermelhas, Brazil. Children jump over the safety fence to swim. : r/oddlyterrifying](https://preview.redd.it/this-is-a-dam-drain-located-in-%C3%A1guas-vermelhas-brazil-v0-ip3nt1qkidu81.jpg?width=788&format=pjpg&auto=webp&s=88caeea31b7ee4e09471c7eb4d6fafb49f5c5b4b)
This is a dam drain located in Águas Vermelhas, Brazil. Children jump over the safety fence to swim. : r/oddlyterrifying
![Video of a man-made spillway in the Lake Berryessa reservoir is shared as visuals of a giant natural whirlpool - FACTLY Video of a man-made spillway in the Lake Berryessa reservoir is shared as visuals of a giant natural whirlpool - FACTLY](https://factly.in/wp-content/uploads//2022/05/Giant-Whirlpool-formed-in-a-river-Image-1.jpg)
Video of a man-made spillway in the Lake Berryessa reservoir is shared as visuals of a giant natural whirlpool - FACTLY
![World's biggest drain hole is terrifying 'portal to the middle of the Earth' - World News - Mirror Online World's biggest drain hole is terrifying 'portal to the middle of the Earth' - World News - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article30612093.ece/ALTERNATES/s1200b/0_LakeBerryessaCalifornia.jpg)
World's biggest drain hole is terrifying 'portal to the middle of the Earth' - World News - Mirror Online
California's 'glory hole' activated after weeks of heavy rain at Lake Berryessa reservoir - ABC News
![Dam Drainage Holes. "Glory Holes". Old topic was archived, and had no info/addition pics. : r/submechanophobia Dam Drainage Holes. "Glory Holes". Old topic was archived, and had no info/addition pics. : r/submechanophobia](http://www.usbr.gov/gp/multimedia/2010_contest/content/images/full/Gibson_Hollis_Aug_2009a.jpg)