اسلایدهای زیبایی از مراحل اجرا و نصب بزرگترین پل کابلی دنیا در فرانسه شما را به تماشای این تصاویر دعوت می کنیم The Millau Viaduct is a cable-stayed bridge that spans the valley of the River Tarn near Millau in southern France. Two weeks after the laying of the first stone on 14 December 2001, the workers started to dig the deep shafts. There were 4 per pylon; 15 m (49 ft) deep and 5 ...