Translation of croato

A bystander who watched the entire scene all the time decided to help me. He was an older man, around seventy, but nonetheless he went to the oldest of these kids and slapped him. The boy was sixteen.
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.
In the evening we saw a Dutch couple which we have met in El Calafate (in the Perito Moreno tour and who were with us on the airplane to the Peninsula). We looked for our hotel and it was OK.