The Guardian of the Gates leads the travellers through the Emerald City, past shops and houses and people.
Explore these websites and videos to find out more about cities.
The world’s first cities grew in the Indus Valley, but they don’t exist any more. Here are the Ten oldest cities in the world that still exist.
Moving more up to date, here’s a fantastic graphic of how cities have grown over the last 500 years and into the future. Look out for Glasgow!
https://www.youtube.com/watch?v=_7jCioztj_c
And of course, plenty of cities that were destroyed by natural disasters and some may never have even existed!
Challenge yourself!
Match the European countries to their capital cities in this Capital City Quiz.
Have you heard of all these cities? What did you think of the quiz?
You can also look at the Help with Challenges page to come up with your own city challenge.