1. The population of New York City is approximately 8 million. What is the population of Mumbai, India?

2. Why have hundreds of thousands of Indians migrated to Mumbai recently?

3. For what reasons did Mumbai city planners begin constructing skywalks in the city last year?

4. Many Mumbaikars like the skywalks. For what reasons do others dislike them?

5. Why isn't widening the sidewalks (as opposed to constructing skywalks) an option in Mumbai?

6. How will the city pay for the $300 million cost of the skywalks?

7. Re-read para. 19-21. Then watch the video and look at the additional link under "Resources" below the questions. What do you think of the obstacles engineers had to overcome to build the skywalks? What do you think in general of the solution of building skywalks? Explain your answers.