Translation of depreciate in Spanish

After dinner we walked back and saw some interesting sites and shops on the way. Everything was quite impressive, as always in a new country. We entered the hotel and took an elevator to our room.
They were floating in self made tubs and rowed with sticks. When they reached our boat they tried to sell us beverage. We vigorously denied them access to our boat. It just did not help.
We had a great day in Bolivia and amazing 3 days in the entire area of Northern chile. It was time to move on and we wanted to go South to the capital of Chile. We were so exhausted from our day trip that we immediately fell asleep.