INFOGRAPHIC: The 10 most expensive engineering projects ever attempted

Infrographic developed by SB Civil Engineering
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4 Comments
Aussie Pete
This has missed the Australian NBN network at ~$40bn.
http://en.wikipedia.org/wiki/National_Broadband_Network#Expected_cost
guest
missed the cross rail project in london $27bn
Bob Michel
Best Investment? #1: US Interstate Highway System
rakeshkapila
The best engineering project in the future might be a direct spiral metal staircase to the moon!