10 Most Expensive Megaprojects 2021
Let’s look at the most expensive construction projects in the world. These 10 biggest megaprojects are the most expensive megaprojects of all time as well. Let’s dive deep and discover these 10 mega projects that cost a fortune to build.
0:43 The Channel Tunnel
1:22 The Big Dig
2:28 Kansai International Airport
3:49 California High-Speed Rail
4:54 Songdo International Business District
5:55 Dubailand
7:16 King Abdullah Economic City
8:28 Kashagan Field
9:22 International Space Station
10:45 Interstate Highway System