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The Mission Begins
Return to Jurassic Park
The Challenger
Dirty Wars
Workingman Death
Sea Monsters
Just Do It
What Happened Before the Beginning
Do We Live in the Matrix
The Cell: The Hidden Kingdom
Island of Lemurs Madagascar
Triumph of Life: The Four Billion Year War
Earthflight Europe
Ocean Deep
Prediction By The Numbers
Cooked: Air
Video Games: The Movie
Iceman Reborn
The God Delusion
The Search for a New Earth
The Human Face of Big Data
St Valentine Day Massacre
Nature Microworlds: Galapagos
Planet Earth II Deserts
Honshu
Birth of the Earth
One Voice in the Cosmic Fugue
Requiem for the American Dream
Blue Planet II Coasts
The Language of Science
The Red Pill
Earth 2100
History of the Eagles 1
The Story of Maths The Frontiers of Space
Dinosaurs Alive
Life of a Universe End of Days

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Great Cathedral Mystery
Great Cathedral Mystery 2014

The dome that crowns Florence's great cathedral of Santa Maria del Fiore, the Duomo, is a masterpiece of Renaissance ingenuity and an enduring source of mystery. Still the largest masonry dome on earth, it is taller than the Statue of Liberty and weighs as much as an average cruise ship. Historians and engineers have long debated how its architect, Filippo Brunelleschi, kept the dome perfectly aligned and symmetrical as the sides rose and converged toward the center." More than four million bricks could collapse at any moment -- and we still don't understand how Brunelleschi prevented it. To test the latest theories, a team of U.S. bricklayers will help build an experimental "mini-Duomo" using period tools and techniques.

Category:Art  Duration:53:00   

 
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