Cette batterie militaire cachait un secret plus rapide que les pigeons voyageurs

Let's head to the Morlot Battery, a former military fort built in 1878 by General Séré de Rivières as part of a defensive line designed to protect Paris. Cannons, soldiers... but not only that. This battery had another essential function: serving as a communication hub or relay point. Using an optical telegraph, it transmitted information to several neighboring forts, which in turn relayed it even further. A far more effective technology at the time than carrier pigeons. Live broadcasts, replays, continuous news updates... Find us on our France 3 Hauts-de-France website: ▶ https://france3-regions.franceinfo.fr... Join us on social media: Facebook: ▶   / france3nordpasdecalais   ▶   / france3picardie   Twitter: ▶   / f3nord   ▶   / f3picardie   Instagram: ▶   / france3nordpasdecalais   ▶   / france3picardie   Subscribe to our YouTube channel: ▶    / france3nord   Subscribe to our newsletter and news alerts: ▶ https://france3-regions.francetvinfo....

This man built a massive log cabin in the forest with his own hands in just one year! @bjornbrenton
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This man built a massive log cabin in the forest with his own hands in just one year! @bjornbrenton

Des entrepreneurs fortunés achètent des forêts pour ne rien en faire • FRANCE 24
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Des entrepreneurs fortunés achètent des forêts pour ne rien en faire • FRANCE 24

300 Secret Historical Photos You Were Never Supposed to See
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300 Secret Historical Photos You Were Never Supposed to See

How the Most Powerful Ancient Warship Actually Worked
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How the Most Powerful Ancient Warship Actually Worked

These Giant Stones Were Sealed for 185 Million Years – Here’s What We Found Whilst Fossil Hunting!
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These Giant Stones Were Sealed for 185 Million Years – Here’s What We Found Whilst Fossil Hunting!

Bryan Johnson, qui voulait vivre jusqu'à 150 ans, atteint d'une maladie auto-immune
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Bryan Johnson, qui voulait vivre jusqu'à 150 ans, atteint d'une maladie auto-immune

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Jancovici live on the 8 PM news says what no politician dares to say about the Climate

Poutine s'énerve
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Poutine s'énerve

Die Klo-Revolution aus den Bergen: Funktioniert Fließband statt Spülung? | BR24 Vor Ort
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Die Klo-Revolution aus den Bergen: Funktioniert Fließband statt Spülung? | BR24 Vor Ort

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Hitler’s Giant Aircraft That Could Carry Tanks - Secret Luftwaffe Film On The ME 321 Gigant

Dangerous Grindstone Installation in 1971
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Dangerous Grindstone Installation in 1971

Dieter Hildebrandt und Wolfgang Gruner - 1963
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Dieter Hildebrandt und Wolfgang Gruner - 1963

Open Doors: The Château de Saint-Gobain, buried beneath the Royal Glassworks
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Open Doors: The Château de Saint-Gobain, buried beneath the Royal Glassworks

The Hard Fall of Porsche
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The Hard Fall of Porsche

How the World's Hardest Food Is Made: Traditional Japanese Dried Bonito, Katsuobushi
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How the World's Hardest Food Is Made: Traditional Japanese Dried Bonito, Katsuobushi

When Animals Surprise Photographers in the Sweetest Way! 😍
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When Animals Surprise Photographers in the Sweetest Way! 😍

I Hiked To The CIA's “Top Secret” Plane Crash in Death Valley
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I Hiked To The CIA's “Top Secret” Plane Crash in Death Valley

This Hole Hides a Forgotten History in Haute-Savoie | Instinct Découvertes
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This Hole Hides a Forgotten History in Haute-Savoie | Instinct Découvertes

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VW ID.Buzz vs KIA PV5 - Verbrauch, Platz, Preise & Alltag!

Golden Retriever Meets Completely Broken Rescue for the First Time
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Golden Retriever Meets Completely Broken Rescue for the First Time