Building the World's Longest Undersea Railway - The Channel Tunnel Story | Spark

Reveal the epic challenges faced by over 13,000 workers, from battling the elements to overcoming technological hurdles, culminating in the completion of a colossal collaboration connecting Britain and France. --- 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: [email protected] #Spark