Used for spying, a phone exchange and more over the years, a semi-secret web of tunnels in central London could open to the public in 2027.
source https://www.nytimes.com/2024/04/27/world/europe/london-tunnels-tourism.html
Used for spying, a phone exchange and more over the years, a semi-secret web of tunnels in central London could open to the public in 2027.
source https://www.nytimes.com/2024/04/27/world/europe/london-tunnels-tourism.html
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