Construcciones Extremas: El Metro de París | Free Documentary Español

Extreme Constructions: The Paris Métro | Free Documentary Español "Extreme Constructions: The Paris Métro" is a documentary that explores the history and engineering feats of the Paris Métro system. With over a century of existence, the network has 220 km of track, 302 stations, and 13 lines. The documentary highlights various construction methods used over time, including wooden tunnels, boring machines, excavation shields, ground-freezing systems, steel viaducts, and submerged chambers in the Seine. It also addresses the expansion of the metro beyond the limits of the capital, connecting with the new Grand Paris Express network, which stretches 200 km. ▬▬▬▬▬▬▬▬▬ Subscribe to the Free Documentary Español Channel for free: https://bit.ly/2YJ4XzQ Instagram:   / free.documentary   Facebook: https://bit.ly/2QfRxbG Twitter: https://bit.ly/2QlwRiI ▬▬▬▬▬▬▬▬▬ #FreeDocumentary #Documentary # ▬▬▬▬▬▬▬▬▬ Free Documentary Español is dedicated to bringing high-quality documentaries to YouTube for free using the latest camera equipment used by well-known filmmakers working for famous production studios. You'll see fascinating shots from the depths of the sea to the air, capturing great stories and images of everything our extraordinary planet has to offer.