Translation of precaution in German

We decided to fly directly to Hanoi and booked a flight for the same day. Before we left we still had some time to visit the War Remnants Museum. One could see the former headquarters of the South.
He planned the entire day and knew exactly where to take us and when to take us in order to be before or after the tour buses. We started at the farthest place of all temples called Banteay Srey.
The American girls came with T-shirt and sandals, not exactly the right equipment for a trip 5000 meter over sea level and minus 10 degrees outside temperature during the day. Anyway, the landscape was fantastic.