Amazing fact: In the 10th century the Spanish city of Cordoba was the largest city in the world with about one million residents (as a comparison, London’s population was probably around 25,000 at the time). Cordoba had an advanced civilisation with over 1,000 mosques, 600 public baths, a central water supply, paved streets, street lighting, … Continue reading "The Mosque-Cathedral of Cordoba"| The Thrifty Traveller