6 of the most exciting international construction megaprojects

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by Rebekah Valero-Lee on

From jaw-dropping skyscrapers to vast, burrowing tunnels, in recent years we’ve seen an increasing number of construction megaprojects taking place all around the world. These amazing feats of engineering are a great example of the endless possibilities for those working in infrastructure.

With HS2 gearing up to be the biggest infrastructure project Europe has ever seen, there’s never been a more exciting time to enter the world of engineering and construction. If that’s not enough to spark your imagination, we’ve compiled a list of 6 of the most exciting international construction megaprojects of recent years.

1) Panama Canal Expansion, Panama

panama canal expansion 17.8.16

The Panama Canal Expansion project, also known as the Third Set of Locks Project, was opened in June 2016, with work on the project beginning back in 2007. The project was proposed in April 2006 as a way to double the capacity of the Panama Canal by creating a new 3.8 mile-long channel for new locks – a task which required 4.4 million cubic meters of concrete and cost more than $5.25 billion.

2) One World Trade Centre, New York

one world trade center 17.8.16

One World Trade Centre, also known as the Freedom Tower, is the main building in the rebuilt Word Trade Centre complex in New York. Stretching to a whopping 1,776 feet, it’s the tallest building in the Western Hemisphere, and the 6th tallest in the world. The tower took 7 years to complete and cost an estimated $3.8 billion

3) Hong Kong–Zhuhai–Macau Bridge, China

hong kong zhuhai macau bridge 17.8.16

The Hong Kong–Zhuhai–Macau Bridge is an enormous project consisting of a number of bridges and tunnels that will connect Hong Kong, Macau and Zhuhai via the Lingdingyang channel. The project includes two artificial islands for the tunnel landings, with the longest bridge section spanning over 18 miles. Due to some delays, the project is now aiming to be completed by 2021, at an estimated cost of $10.6 billion.

4) Crossrail, London

crossrail 17.8.16

Crossrail is a 73 mile railway line currently under development in London and the South East. It’s Europe’s largest construction project, with over 10,000 people working across over 40 different sites, costing around £14.8 billion. When it’s complete, there will be 40 Crossrail stations, including 10 new stations, and will bring an extra 1.5 million people to within 45 minutes of Central London.

5) Three Gorges Dam, China

three gorges dam 17.8.16

Spanning an incredible 7,600 feet, China’s Three Gorges Dam is the world’s largest dam, with the project taking 17 years and costing $27.6 billion. The dam features 32 main turbines and has a total electric generating capacity of 22,500 MW.

6) Khazar Islands, Azerbaijan

khazar islands 17.8.16

Image via: khazarislands.com

The Khazar Islands, or Caspian Islands, is a proposed development consisting of 41 artificial islands in the Caspian Sea, south of Baku, Azerbaijan. Upon completion, the development is planned to house 1 million residents and contain 150 schools, 50 hospitals and day-care centres, parks, shops, university campuses, a racetrack and more. Not to mention the Azerbaijan Tower, which is expected to be the tallest rower in the world. The project is scheduled to be completed between 2020 and 2025 and is expected to cost $100 billion.

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