Translation of Postkasten

We drove towards the university where he studied and from there we drove to the hospital where he worked. He told me that there were hospitals for locals and for foreigners with different medical equipment and staff.
Anyway, I used these two weeks of break in order to fly to a Spanish speaking country and learn a new language. My friends told me that it was a waste of time but I really insisted. It is educational.
We were Lao Cai around six o'clock but the train left only at eight. I was somehow relieved though that we had all the dangerous bus journeys behind us and that we left this lovely place soon.