Prague's historic center was first included in the UNESCO list of World Heritage Sites in the 1990s.
The Ferrovie dello Stato Italiane -LRB- FS ; Italian State Railways -RRB- Class 690 -LRB- Italian  : Gruppo 690 -RRB- was a 4-6-2 ` Pacific ' steam locomotive for express trains .. Ferrovie dello Stato Italiane. Ferrovie dello Stato Italiane. 4-6-2. 4-6-2