Quiz: can you identify these world cities from their density maps alone?
https://www.theguardian.com/cities/2019/mar/19/quiz-identify-world-cities-density-maps-alone?CMP=Share_iOSApp_Other
Quiz: can you identify these world cities from their density maps alone?
https://www.theguardian.com/cities/2019/mar/19/quiz-identify-world-cities-density-maps-alone?CMP=Share_iOSApp_Other
