Translation of nightstand in German

So we decided to move on. We were looking to get the next flight to Hoi Ann, which is located right in the center of the country, but we were told that there had been floods a week earlier.
It might be that after all the view and the atmosphere could had been spectacular if we were the only one on this temple and experiencing a great sunset on this huge structure. But is was not.
At noon we continued to the Altiplano to visit some lakes and volcanoes. At 4000 meter above see level it became suddenly extremely cold and our heads started to spin. Altitude sickness?