Translation of high-value in German

One hour later people were starting to leave and we did not exactly understand why. We took another drink and I paid the bar man cash. Later it turned out that the change he gave me would be fake money.
Our bus was completely full and we were the only Europeans on our tour. There were also Americans and people from South Korea. The driver took us to a place called Tam Coc. He drove like an idiot.
At Pisac we visited its 'once certainly authentic', 'today completely touristic' market. We enjoyed it anyway, ate fresh corncobs and bought a warm wool hat.