A typical hybrid has a powerful petrol engine and an electric motor, which not only helps the combustion engine to accelerate, but can also drive the vehicle by itself for a short period of time.
Only 14 columns remain of the oldest building, the Temple of Aphrodite, but older structures withstood earthquakes and military attacks. These include the Odeon, where the city council met, concerts and philosophers performed, a 10,000-seat theatre, the baths of Emperor Hadrian and the three-storey Temple of Sebastion with its Doric, Ionic and Corinthian columns.