World's Toughest Tunnels

January 8, 2020

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Impossible Engineering - S7 - E2

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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Impossible Engineering: Season 7 - 16 Episode s

7x1 - Dubai's Impossible Island
January 1, 2020
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.
7x2 - World's Toughest Tunnels
January 8, 2020
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.
7x3 - F-35 Fighter Jet
January 15, 2020
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.
7x4 - NYC Mega Tower
January 22, 2020
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.
7x5 - World's Biggest Airport
January 29, 2020
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.
7x6 - Spy Plane Declassified
February 5, 2020
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.
7x7 - World's Highest Bridge
February 12, 2020
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.
7x8 - Conquering Avalanche Country
February 19, 2020
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.
7x9 - Infantry Assault
March 4, 2020
A look at the incredible machines built to get troops directly to the front line, on land, at sea and in the air.
7x10 - The Independent
March 11, 2020
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.
7x11 - Supertanker Europe
March 18, 2020
A look at the world's biggest oil tanker - the mighty Supertanker Europe of the record-breaking TI Class of ship.
7x12 - Beijing Daxing
March 25, 2020
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.
7x13 - 111 W. 57th Street
April 1, 2020
The skinniest skyscraper on earth is being built in New York City. Can engineers find a way to build this ultra-tall slender building?
7x14 - South-North Water Diversion
April 8, 2020
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.
7x15 - The Falkirk Wheel
April 15, 2020
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.
7x16 - Stratolaunch
April 22, 2020
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.

World's Toughest Tunnels

Impossible Engineering - S7 - E2

Impossible Engineering: Season 7 - 16 Episode s

7x1 - Dubai's Impossible Island

7x2 - World's Toughest Tunnels

7x3 - F-35 Fighter Jet

7x4 - NYC Mega Tower

7x5 - World's Biggest Airport

7x6 - Spy Plane Declassified

7x7 - World's Highest Bridge

7x8 - Conquering Avalanche Country

7x9 - Infantry Assault

7x10 - The Independent

7x11 - Supertanker Europe

7x12 - Beijing Daxing

7x13 - 111 W. 57th Street

7x14 - South-North Water Diversion

7x15 - The Falkirk Wheel

7x16 - Stratolaunch

Impossible Engineering: All seasons

S0: Specials

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4: Extreme Railroads

S5: Season 5

S6: Season 6: Extreme Railroads

S7: Season 7

S8: Season 8

S9: Season 9

S10: Season 10