Translation of rum in Spanish

We drove to the hotel Rex where we made reservations in advance. However, once there, two American guys told us that they had a voucher from a travel agent and the price was like half of it.
Hey. You are online! Pollution means that the air is filthy and that it is hard to breathe. I'm getting much better at German, so please correct me when I am wrong in my language. You're English is actually great.
A band was playing Peruvian music while we were waiting for our luggage. The altitude is immediately felt: Dark blue skies and thin air, which won't let you climb stairs without having to take a few breaks.