An article in the New Colonist explains that the following characteristics are the requirements of a healthy city -
1. Fixed transit, preferably rail, above and below ground. Subways along all major travel corridors; buses or trams on all secondary corridors;
2. Mixed-use, mixed-income neighborhoods;
3. Buildings of different age, condition, and size;
4. Living spaces everywhere, especially near downtown;
5. Large or small public squares at all significant intersections;
6. Lots of peopl
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