Brunel Thames Tunnel
Public opening on the Brunel Thames Tunnel at Rotherhithe on March 12. I was one of the few very privileged people who managed to get a ticket for the first public opening in 145 years.

I've always wanted to walk down a tube line, and to be able to walk along the Marc Brunel Thames Tunnel was even more special - as the world's first underwater tunnel. Much of the original tunnel is still visible at the Rotherhithe end. It is amazing to think there were stalls and shops down here. Thanks to the guides who showed us around.

The Thames Tunnel is an underwater tunnel, built beneath the River Thames in London, United Kingdom connecting Rotherhithe and Wapping. It measures 35 feet (11 m) wide by 20 feet (6 m) high and is 1,300 feet (396 m) long, running at a depth of 75 feet (23 m) below the river's surface (measured at high tide).

It was the first tunnel known successfully to have been constructed underneath a navigable river, and was built between 1825 and 1843 using Thomas Cochrane and Marc Isambard Brunel's newly invented tunnelling shield technology, by him and his son Isambard Kingdom Brunel. -
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