Translation of hydroponics in German

All travel agents, but one, were all pritty unreliable as one could perceive immediately. We did not care for a dollar more or less and everybody promised the same which was not convincing.
In the end of the day we went to visit the Vietnam war museum. It is actually called the American war museum. It gives the Western visitors a different point of view of the events forty years ago.
If you want we can exchange messages and emails in English and Spanish in order to improve and get some exercise. I think we should correct each other's messages. i need to practice otherwise I will forget everything.