Empty streets around Rome during covid-19 pandemic

The video tutorial discusses the functionality of an underground station, starting with an introduction that sets the context and then delving into the main discussion about how the station operates.

What does the phrase 'killed, really.' imply in the context of the conversation?

What is the significance of the word 'Rest.' in the dialogue?

What does the word 'This' refer to in the context of the text?

How does the phrase 'underground station works.' contribute to the overall message?

What can be inferred about the setting from the text provided?