Sisteron Citadel: The Impregnable Fortress on a Cliff - Full Documentary

Carved from stone and built for battle – uncover the secrets of Sisteron's impregnable fortress! 🏰⛰️ Defending the entrance into Provence, the Citadel of Sisteron is a fortress with a unique silhouette that is one with the rock. The guardian of a natural door of titanic proportions, it is built on both sides of a particularly steep rocky ridge. How did the builders manage to turn this constraint into an asset? What techniques did they use to erect colossal platforms on the steep slopes ? On what vestiges of the past did they rely to shape this marvel of military architecture? Thanks to the original blueprints along with 3D CGI, discover the technological breakthroughs that led to the creation of Sisteron, from the high towers of the Middle Ages to the immense underground staircase dug into the rock. Embark on a journey of nearly 600 years through the evolution of fortification. This documentary is available with english subtitles and many more languages ! 🔔 Subscribe now and hit the notification bell to embark on a journey of knowledge and discovery with us. Join our community of curious minds and make learning an exciting adventure. 🔔 https://www.youtube.com/@EasyDocumentary Don't hesitate to like, share and comment if you enjoyed it ! 👍 More documentaries incoming.... subscribe now to be sure you don't miss them 🔥🔥 ------------------------------------- Want to discover more secrets about iconic buildings ? Medieval Marvels: Building the Impossible in Paris https://www.youtube.com/watch?v=u3kpt0pMNps Invincible Castles: Vauban's Unique Fortresses https://www.youtube.com/watch?v=TrJ4SHf4tpE Crusader Fortresses: Military Marvels of the Lebanon and Middle East https://www.youtube.com/watch?v=rriIZ1iKHCs ------------------------------------- Follow us: 🔥 Insta: https://www.instagram.com/easydocumentaryyt/ TikTok: https://www.tiktok.com/@easydocumentaryyt Facebook: https://www.facebook.com/profile.php?id=61554210977939 ------------------------------------- 00:00 Introduction 02:22 Fortress in Provence: One With the Rocks 50:49 Credits #documentary #fortress #building