Engineering Genius - How Were These Iconic Structures Built?

Explore the world's most impressive man-made structures including the Eiffel tower, the Leaning Tower Of Pisa and ancient Roman Amphitheatres. Join Dr Scott Steedman as he investigates how engineers, builders and architects redefined the limits of what is possible. <br> <br>Welcome to Progress -- the home of history's greatest leaps forward. From the seismic invention of the world's first printing press to the great rocket-powered marvels that took us to the stars, we'll be bringing you world-class documentaries celebrating history's greatest inventions and technological breakthroughs. <br> <br>Progress is part of the History Hit Network. <br>00:00 - Eiffel Tower <br>22:50 - Castles <br>45:30 - Domes <br>01:08:19 - The Leaning Tower Of Pisa <br>01:31:07 - Ocean Structures <br>01:53:52 - Arches <br>02:16:22 - Concrete Marvels <br> <br>#progress #documentary #technology