Translation of potash 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.
The memorial consisted of a small museum and monument which was displaying skulls of civil war victims. It was sad, brutal and scary. It is certainly not the place were you would take tourist on day one.
There was no one on the street and we did not feel to comfortable. The first hotel we entered, was build from clay. We saw an elderly English couple just leaving their room. We went to the reception.