Under the hill town of Osimo in Italy, lies a hidden network of tunnels and chambers that connect the city's palaces in a mysterious maze.

The town was once strategically important for the Knights Templar, whose symbols can still be found throughout Osimo, both above and below the surface. Were these passageways and grottos used by the Templars to continue their secret activities long after the order had been disbanded?

Video by Valerio Maggio

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