Uploaded February 2016 | Updated September 2026, 3 weeks ago
The National Grid has been busy building 32km of new tunnels and infrastructure under London carrying high voltage power cables. We went and had a look along with the marvellous Tom Scott - who's also made a video over at youtube.com/user/enyay and has many more delightfully insightful, geeky and interesting videos over on his channel - go have a look!
The National Grid has been busy building 32km of new tunnels and infrastructure under London carrying high voltage power cables. We went and had a look along with the marvellous Tom Scott - who's also made a video over at youtube.com/user/enyay and has many more delightfully insightful, geeky and interesting videos over on his channel - go have a look!
