Translation of adulterate in Spanish

All sorts of people were sitting in the restaurant, locals as well as foreigners. One could see that the city had some modern places too and that it was not the Vietnam we had imagined.
Yes, I received your messages. What do you think about vocabulix? I think it's a good idea to learn English. I really like it in New York City although the pollution is bad. How about your place?
Burlington in Vermont is one of the healthiest cities in the entire United States of America. The capital of Vermont is Montpellier. Apart from that Vermont offers a lot of green hills and many lakes.