Translation of utilize in Spanish

There were a lot of souvenir shops inside the palace which spoiled the atmosphere a little bit. Monkeys were also sitting around and begging for food. We took some close-up images of them.
We drove to the next spot exactly at noon. We were told that this spot would not be crowded at all during the lunch hour and we were not surprised to find it completely empty without anyone else.
Sorry but I hadn't have enough time in the last two weeks to respond to your email and to your interesting offer. I really need to think about it a little longer, and I am sure you'd understand.