1. "There is a city beneath the streets." What does Sergeant Henry mean by this quote?
2. Why is it difficult to find a map of the New York underground? What are some of the details that make it hard to find?
3. In the past, people working underground feared cave-ins and water flows. What are transit workers fearful of today?
4. What do some homeless people do to earn some extra money during rush hour?
2. Why is it difficult to find a map of the New York underground? What are some of the details that make it hard to find?
3. In the past, people working underground feared cave-ins and water flows. What are transit workers fearful of today?
4. What do some homeless people do to earn some extra money during rush hour?