This is a photo of the Great Theater in Ephesus in Turkey.  It once held an audience of 24,000 people.  The city of Ephesus was amazing.  It once had a population of a quarter million and there are acres of ruins that we can still walk through.  The Turks were much more relaxed about letting tourists go through them than the Greeks.  That was good for me, though I do appreciate the Greek's desire to preserve their ruins for the ages by keeping traffic well back from the sites.