Translation of infect in Spanish

When we got our room at the Rex we were shocked once again. The room had a terrible smell of cigarettes and we insisted on moving. The next room they gave us was a non-smoking room.
There we only few tourist visiting this site and the entire setting of the jungle around all structures gave it a very adventurous feeling. Roots of trees were actually covering the walls of the buildings
I'm writing you in English because I don't have a lot of time and writing in German will take me a long time. Just a few corrections: you can not say in English How you do, you need to say How do you do...