John Edward Jones, a 26-year-old medical student, became trapped upside down in Utah’s Nutty Putty Cave on November 24, 2009, after mistakenly entering an unmapped 10-by-18-inch fissure called “Ed’s Push” while attempting to navigate a passage known as “The Birth Canal.” Wedged at a 70-degree angle over 100 feet underground with his arms pinned, the inverted position caused bl**d to pool in his head and compressed his lungs, making breathing nearly impossible and rapidly stressing his heart unti

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