Deep below the French capital, more than 200 kilometres of new tunnels are being dug to construct the Grand Paris Express - one of the largest and most ambitious infrastructure projects of our time. For more by The B1M subscribe now - http://ow.ly/GxW7y  Full story here - https://www.theb1m.com/video/the-45bn-new-railway-beneath-paris Go Behind The B1M. Click "JOIN" here - https://bit.ly/2Ru3M6O The B1M Merch store - null Narrated by Fred Mills. Additional footage and images courtesy of Greater Paris Society (Société du Grand Paris) and Paris 2024. View this video and more at - https://www.TheB1M.com/ Follow us on Twitter - http://www.twitter.com/TheB1M/ Like us on Facebook - http://www.facebook.com/TheB1M/ Follow us on LinkedIn - https://www.linkedin.com/company/the-b1m-ltd/ Follow us on Instagram - http://instagram.com/theb1m/ #construction #infrastructure #engineering We welcome you sharing our content to inspire others, but please be nice and play by our rules: http://www.theb1m.com/guidelines-for-sharing Our content may only be embedded onto third party websites by arrangement. We have established partnerships with domains to share our content and help it reach a wider audience. If you are interested in partnering with us please contact Enquiries@TheB1M.com. Ripping and/or editing this video is illegal and will result in legal action. © 2020 The B1M Limited