<strong>Going Underground: </strong>The London Tunnels is a new multimillion-dollar project that could be the UK capital's most exciting underground tourism destination yet.
Going Underground: The London Tunnels is a new multimillion-dollar project that could be the UK capital's most exciting underground tourism destination yet.
DBOX/The London Tunnels
<strong>Kingsway Exchange Tunnels:</strong> The Kingsway Exchange Tunnels, pictured here in 1952, are a mile-long series of tunnels underneath Chancery Lane tube station.
Kingsway Exchange Tunnels: The Kingsway Exchange Tunnels, pictured here in 1952, are a mile-long series of tunnels underneath Chancery Lane tube station.
BT Media Image Library/Getty Images/Courtesy The London Tunnels
<strong>World War II shelter: </strong>This photo shows the tunnels under construction in the early 1940s as a shelter for Londoners during the height of Germany's aerial bombing campaign against Britain.
World War II shelter: This photo shows the tunnels under construction in the early 1940s as a shelter for Londoners during the height of Germany's aerial bombing campaign against Britain.
BT Media Image Library/Getty Images/Courtesy The London Tunnels
<strong>Hub beneath Holborn:</strong> After a stint as the home of the top-secret Special Operations Executive, the tunnels became the home of the Kingsway Telephone Exchange.
Hub beneath Holborn: After a stint as the home of the top-secret Special Operations Executive, the tunnels became the home of the Kingsway Telephone Exchange.
BT Media Image Library/Getty Images/Courtesy The London Tunnels
<strong>The exchange in 1968: </strong>The exchange was home to a busy community of 200 workers manning the phone lines.
The exchange in 1968: The exchange was home to a busy community of 200 workers manning the phone lines.
BT Media Image Library/Getty Images/Courtesy The London Tunnels
<strong>The exchange in 1957:</strong> The new project hopes to bring the history of the tunnels to life using high-tech technology and interactive exhibits.
The exchange in 1957: The new project hopes to bring the history of the tunnels to life using high-tech technology and interactive exhibits.
BT Media Image Library/Getty Images/Courtesy The London Tunnels
<strong>Secret wonderland: </strong>The tunnels occupy some 8,000 square meters of subterranean London.
Secret wonderland: The tunnels occupy some 8,000 square meters of subterranean London.
BT Media Image Library/Getty Images/Courtesy The London Tunnels
<strong>The tunnels in the 1970s: </strong>The tunnels were in use right up until the end of the 1980s, when the telephone technology became obsolete.
The tunnels in the 1970s: The tunnels were in use right up until the end of the 1980s, when the telephone technology became obsolete.
BT Media Image Library/Getty Images/Courtesy The London Tunnels
<strong> Wilkinson-Eyre architects: </strong>The project has Wilkinson-Eyre architects on board, the firm behind Singapore's Gardens by the Bay and London's Battersea Power Station.
Wilkinson-Eyre architects: The project has Wilkinson-Eyre architects on board, the firm behind Singapore's Gardens by the Bay and London's Battersea Power Station.
DBOX/The London Tunnels
<strong>Cheers:</strong> The tunnels were once home to London's deepest licensed bar. Here's how it could look if the London Tunnels project goes ahead.
Cheers: The tunnels were once home to London's deepest licensed bar. Here's how it could look if the London Tunnels project goes ahead.
DBOX/The London Tunnels