A initial project was announced in 2003 and should have been ready for Euro 2008.
Full completion of the initial project was envisioned between 1992 and 1994.
This initial project will serve a population of approximately 2.4 million people in the Pittsburgh metropolitan area.
The southernmost point of the initial project had been the D-400 state road.
Eventually, the success of initial projects led the whole company to adopt the same process.
From just four people who helped him with his initial project, the organisation grew to almost 3,500 within a year.
Only America had the money to do the initial project.
Among the four initial projects was a plan to restore the mouth of the Don to a more natural outlet.
This initial project, with 18 sites in 13 different European nations, was a way to test out the idea before going worldwide.
According to the initial project, the work would measure 120 meters tall.