Hats off to this group of Polish daredevils who spent four days underground exploring an abandoned Czech gold mine to prepare for a series of crazy bungee jumps into the abyss.
According to Fogonazos.es, the team carried out 36 jumps into a huge black hole in the mine. At 78-meters high and only lasting four seconds, it may not be the world’s highest bungee jump, but the location may well make it one of the scariest.
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