"Swallow Rock" in Brazil sucks people into an underwater cave, and they like it
by Mark Frauenfelder from on (#318SZ)
Pedra Que Engole ("Swallow Rock") is an underground cave in Trindade, Brazil. People jump into it, travel through the water-filled cave for a little over 30 seconds, and are ejected into a nearby pool of water.https://youtu.be/fO6y_DNQog4