Translation of presumed in Spanish

Our main destination was not Cambodia and we had actually decided in the last minute to add this country to our trip. We were very happy about our decision and enjoyed every moment here.
I wish you would help me to improve my Spanish. I am studying law in Germany and I am trying to learn Spanish. I hope you can help me and I could help you to learn German. Have a great day.
We caught the last bus leaving from Calama to San Pedro the Atacama in the Atacama desert, the driest place on earth. Even NASA is using this place as a live moon simulation area. It was night though.