Questions

Materials:
It was like I was right there having a tour of the place. Are the streets usually that empty or is it just because it's very early on your way to work?
Question:
What is the usage of “having a tour of the place”?

Materials:
But I do know that being there to visit for vacation purposes is very different than having to live and work and support myself in another country.
Question:
What is the usage of “having to live and~”
What is the usage of “being there to visit ~”?
Thank you guys very much!