Translation of discreet in Spanish

This site was one of the country's most famous places as Tomb Rider with Angelina Jolie was filmed there. It was built like a pyramid with many stairs and little towers. The place was called Angkor Thom.
I took her down to the bathroom, and her pants and shoes were full of vomit. We were sure that it was not alcohol, but that there was something wrong with the food we had at this "nice" restaurant.
We woke up very early because we wanted to continue to Bariloche in Argentina. We bought some food and sat down by the lake to eat a breakfast sandwich. It was so foggy that we could not see the volcano.