There is increasing awareness of cities as a defining trait of humanity and their importance to our health, economy and the environment. Here, some basic nuts and bolts about cities and the people who live, drive, work and play in them.
Copyright 2023 NPR. To see more, visit https://www.npr.org. 9(MDM3NjYwMjA5MDE1MjA1MzQ1NDk1N2ZmZQ004))
