Exploring A Secret London Underground Station [4K] | Underground Britain | Spark

Rob Bell discovers the secrets of London beneath the surface during this episode of Underground Britain, including a deserted tube station, a victorian underworld, a marvelous yet disastrous invention beneath the Thames, and the deepest tunnel in London to discover cutting-edge technologies. --- This series follows Rob Bell as he travels across Britain to discover the most fascinating secrets that are hidden beneath the surface. --- Subscribe to Spark for more amazing science, tech & engineering videos: https://goo.gl/LIrlur 🚀 Join the Spark Channel Membership to get access to perks: https://www.youtube.com/channel/UCMV3aTOwUtG5vwfH9_rzb2w/join Find us on: Facebook: https://www.facebook.com/SparkDocs/ Instagram: https://www.instagram.com/spark_channel/ Any queries, please contact us at: owned-enquiries@littledotstudios.com #Spark #london