Wonderful pics, discovered them just now.
Glad to see you didn't shut yourself up in the forums and the Baroque quarter. It's always painful when visitors do that, and then they actually think they have visited Rome.
New metro lines are not disallowed, but it's true that archeological findings have seriously slowed down the developement of an extensive network so there are only two lines today (but there are a few other commuter lines that are basically metro lines).
A third one plus various extension to the existing lines are under construction, and construction works for a fourth line will hopefully start by 2009. Those lines are much needed.
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