Consider the cities of Mumbai, New Delhi, Bengaluru, Chennai and Ahmedabad. Each of these places has their own identity with which we associate them.
This image is an example of how you can spot varied subjects and expression at marketplaces
Portraying the Face
This identity is created by the people who live in the city. After all, they are the face of the city, which we can try and capture through our lens. You can use the telephoto end of your zoom lens and capture any places pecific items that the people are wearing. Alternatively, stand closer to the subject and use the wide angle end of the zoom. This will help you capture the surrounding environment as well.