A long-delayed and complex project to bring a subway line under ancient Roman ruins and through Rome’s historic center has entered a crucial phase, with the digging of an 85-meter (280-foot)) deep retaining wall around the flagship station.
During a tour Thursday of the construction site at Piazza Venezia, chief engineer Andrea Sciotti said work on the nearly 3 billion euro ($3.3 billion) project, considered one of the most complicated of its kind in the world, was likely to be completed by 2034.
