The Cave of Swallows in Aquismón, Mexico, is a majestic vertical cave renowned for its immense size and depth. Located in the Huasteca region of San Luis Potosí, this natural wonder features a 370-meter (1,214 feet) freefall drop from its entrance, making it one of the deepest pit caves in the world. The cave's entrance is an elliptical shape measuring approximately 49 by 62 meters (160 by 203 feet). It is a popular destination for BASE jumpers and spelunkers, who are drawn to its challenging descent and breathtaking views.
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