![](https://image.tmdb.org/t/p/w92/mywIDBRM7nsd34IdYTPU9siwEB9.jpg)
Anxious to explore the mysterious hidden world under metropolitan Berlin, an international group of four urban explorers hires a local guide, Kris, who leads them into the maze of escape tunnels and subterranean fortifications under the city. When their guide …
Nathalie Kelley,
Klaus Stiglmeier,
Nick Eversman,
Catherine de Léan,
Max Riemelt,
Brenda Koo,
Adolfo Assor
Added on Amazon Prime 2022-05-03.
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