Translation of Salvadoran in Spanish

Grammar exercises give the teachers and the students different ideas. We discussed the need for exercises in my previous email, but unfortunately I did not receive any further feedback since then.
You have to be careful when you go on summer vacation. There are many dangers but the most dangerous one is the sun itself, because if you're not careful it may harm you. People underestimate the rays.
My name is Julio and I live in Santiago, which is in Chile. I speak a little German, but I want to improve. Where are you from? Where do you live? What is your favorite music? Auf wiedersehen!