These cities are some of the most densely populated in the world. See what they look like in photos.

Mumbai, India, commonly ranks among the most densely populated cities in the world. Hindustan Times/ via Getty Images Some cities around the world have tens of millions of residents. In cities like Mumbai, India, and Dhaka, Bangladesh, people deal with extreme traffic and crowds. Some cities have experienced population changes due to refugees and conflict. Jakarta, Indonesia, was named the most populous city in the world in the United Nations' World Urbanization Prospects report last year. ...