Translation of impure in Spanish

After this strange stop we moved on to the city center where he left me. I was on my own now and started to explore the little streets of the old center. It was packed with international visitors.
The ride took us through mountainous areas, covered with dark green forest, with so many curves that I got sick. I wanted to vomit but I held myself back, as there were so many other next to me.
Not worth mentioning. The next day we spent the entire day in the mall buying unuseful things, cheap Jeans of poor quality and again gifts for our friends. I remember buying swimming pants in the sports store.