@quiet.chronicles3: Two men. 300 feet of solid rock above them. A twelve-foot pocket of air, zero food, and pitch darkness. For five days in 1963, officials believed no one could have survived the Pennsylvania mine collapse. Only the relentless pleading of the miners' families convinced engineers to drill one final six-inch probe hole before walking away. Five and a half days after the cave-in, voices echoed up the narrow pipe.#HistoryTime #historytok #truestory #TrueHistory #fyp #documentary #viral