Old Bridge of Dezful at night - Khuzestan
                
                
                
                    
                    
						The oldest still-standing bridge in the world. It remained in full functionality until recently. The ancient bridge was originally commissioned in 260 AD during the Sassanid era (circa 224-661 AD) by King Shapur I, who used 70,000 Roman prisoners of war to construct the great monument.
						Copyright: Morteza Hashemi