The Best Episodes of Impossible Engineering Season 7

Chinese authorities attempt a huge infrastructure project as they try to move vast amounts of water from the wet south of the country to the dry north.

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The F-35 is the most advanced fighter jet on the planet. Special access into the most expensive military program ever reveals how engineers use cutting-edge tech to outfit this 1,200 mile-per-hour aircraft with a state-of-the-art stealth system.

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The world's highest bridge impossibly spans an 1,800-foot chasm known as the Crack in the Earth, and to build this engineering marvel, experts use cutting-edge construction technology that can conquer the deadly cliffs of this rugged environment.

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A team of engineers are overhauling London's underground infrastructure to build a world-class sewer system. Using cutting-edge tech and the latest construction methods, they work to transform a centuries-old network into a modern-day masterpiece.

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Deadly avalanches and catastrophic flooding are ever-present threats at one of the world's busiest ski resorts, but new technology and cutting-edge construction methods help engineers conquer the elements to keep this mountain-top getaway safe.

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The man-made islands of Dubai are modern-day engineering marvels that turn the Arabian Sea into high-priced real estate. Today, a team of expert engineers use cutting-edge technology to build a brand-new city district where there was once only water.

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The skinniest skyscraper in the world will soon become New York's third tallest, and using an innovative, gravity-defying design, this colossal megastructure is breaking all the rules of engineering.

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Behind every seemingly impossible marvel of modern engineering is a cast of historic trailblazers who designed new building techniques, took risks on untested materials and revolutionized their field.

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A state-of-the-art NATO airplane is one of the most complex surveillance tools in the world. Special access inside the behemoth reveals how cutting-edge engineering and a hi-tech midair refueling system helps its crew defend against security threats.

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A look at the incredible machines built to get troops directly to the front line, on land, at sea and in the air.

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The Independent, a residential skyscraper in Austin, Texas. At 690ft, it is the tallest building in the city, surpassing the 683ft Austonian, another residential skyscraper.

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A look at the world's biggest oil tanker - the mighty Supertanker Europe of the record-breaking TI Class of ship.

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A look at the Beijing Daxing, set to become the biggest airport in the world, designed to accommodate a staggering 100 million travellers each year.

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The skinniest skyscraper on earth is being built in New York City. Can engineers find a way to build this ultra-tall slender building?

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The Falkirk wheel is the first and only rotating boat lift, capable of moving 600 tonnes of boat and water over a 25-metre height difference in just minutes.

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Stratolaunch is designed to lift rockets, spacecraft and experimental high-speed hypersonic planes into the stratosphere, then release them for their onward journey into space.

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