Translation of sombrerero

In England, a man would still open a door to a woman, but in other countries this habbit is less common. In a way, habits that existed hundred years ago slowly loose their meaning and importance.
The climb was much exhausting than I had presumed. I had forgotten that we were at high altitude where there is less oxygen and that every step required double effort. It was a great exercise.
You cannot be in this city without watching a football game. We therefore bought tickets two days ahead in order to see the soccer game between Bocca Juniors and Newell's Old Boys from Rosario.