Heat-proofing-modern cities

 https://indianexpress.com/article/opinion/columns/heat-proofing-cities-emergency-oriented-approaches-must-give-way-to-long-term-planning-9369100/

A lot of cities are in hot or warmer areas of the planet. Of course several cities in Canada have to be more prepared for the cold than the heat. 

Ancient Cities

 https://www.naturallymorocco.co.uk/itineraries/1504-17-ancient-cities-desert-mountains/

Of course some cities are much older than others.

https://www.aljazeera.com/gallery/2023/6/4/mystery-of-the-desert-lost-cities-of-the-nigerien-sahara

While some newer cities might become a lot larger than some of the ancient ones.

https://www.aljazeera.com/gallery/2023/6/4/mystery-of-the-desert-lost-cities-of-the-nigerien-sahara