Trucks are partially submerged in floodwater in downtown Rome December 12, 2008. REUTERS/Alessandro Bianchi Water from the Tiber river flows through the Corbara dam, near Orvieto , 80 km (50 miles) north of Rome, December 12, 2008. REUTERS/Protezione Civile/Handout Drivers drive through flooded streets after torrential rains and hail in Rome