The Romans The Romans The Roman Empire The Roman Republic The Imperial Age The Roman Army A Roman Fort Towns Building Technology Roads and Travel Farming and the Countryside Trade and Ships The Town House Family Life Food and Drink The Public Baths Entertainment Religion The Late Roman Empire The End of the Roman Empire	Walls of Constantinople The threat of invasion meant that cities were given strong defences. These mighty walls were built around Constantinople.   Previous: Back Book: The Romans Section: The Romans Chapter: The Late Roman Empire