Construction began on November 4, 2008 and involved 20,000 workers at the cost of 13 billion.
Construction involved the work of 108 different people, including two environmental consultants.
The construction involved the greatest revival of an old building in Europe.
Construction also involved the relocation of 240 households with 296 families.
The construction involved the largest civil engineering project ever undertaken at the time.
The construction of the tunnel also involved other investments in road infrastructure.
Construction has involved a fairly significant investment, so people want to know the buildings are being used more than just eight hours a day.
Most new construction and conversions in the area involve housing.
The road's construction also involved blasting in several places.
The construction of four 900-MWe units at a single site involves ten years' work and up to 6000 people.
