> those cities were miniscule by today's standards Rome had a million people in it 100 BC. There were still large cities. Also most large cities today (Tokyo,

> those cities were miniscule by today's standards Rome had a million people in it 100 BC. There were still large cities. Also most large cities today (Tokyo, Shanghai, London, Paris, New York) have strong public transport systems and most people don't need cars. So you can have large cities where most people live a car-free lifestyle. > How many times did London burn down before the 20th century? I think fire codes being enforced & developments in building techniques helped reduced fires, not just that we can drive fire trucks to situations.