Top 10 world’s most expensive projects: from ISS to floating airport Kansai

Unimaginable airports, megacities, railway or freeway networks, gigantic aircrafts or spacecrafts. This is the range covered by some of the world’s most stunning projects developed by various countries. Part of such projects changed people’s lives, but others remained only on paper.

ISS is one of the most expensive and magnificent project of the mankind. Photo: NASA/Wikipedia Commons

Recently, Business Insider released a a top ten of the most expensive projects at the global level, some of which are completed, others are still in their early stages.

1. U.S. Interstate freeway system : a 459 billion dollar project conceived in 1955 with the intention of connecting by highways all the U.S. states.
2. International Space Station:. $150 billion. The space station orbits around the Earth and is used for carrying out research studies in physics, astronomy or biology. Cosmonauts from all over worked and lived on the ISS in the past 11 years.
3. King Abdullah’s economic city: $95 billion. King Abdullah’s City aims at setting Saudi Arabia’s reputation as a business center. In total, the project gathers 6 cities in which 4 million people will live. Project’s completion date is 2020.
4. California High Speed Train: $98.5 billion dollars. A project to link all Californian cities, from Sacramento to Los Angeles, with a high-speed rail line. The works are scheduled to start in September this year.
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King Abdullah economic city aimed at bringing Saudi Arabia on the economic frontline. Photo: moveoneinc.com

6. Songdo International Business District: $40 billion. Songdo is a business district in Seoul, South Korea, which will feature a relic of the famous Central Park in Manhattan. The business center will be completed in 2020.
7. Kansai International Airport: $29 billion. The airport was built in Osaka Bay, Japan, on an artificial island, which engineers built it to withstand earthquakes and hurricanes that characterize the region.
8. Hong Kong International Airport: $27 billion. Hong Kong’s main airport is one of the busiest in the world and has 60,000 employees. Over 53 million passengers transited the airport in 2011.
9. Beijing-Shanghai high speed Railway: $26.1 billion. The rail line connects two of the largest cities of China and is the longest high-speed railway built so far. The trains run up to 321 km/h, covering the distance between the two cities in 4 hours and 48 minutes.
10. Airbus A380: $23 billion. Airbus A380 is world’s largest passenger plane, built to rival its competitor, Boeing. A380 flew for the first time in 2005 and a plane sells for 300 million dollars.