Translation of biology 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.
Tam Coc was a place where the river ran through different limestone mountains. The view was amazing. However, the two hundred other boats on the river really destroyed the atmosphere.
Fortunately and against all odds there were seats available so that we changed our booking to the same day. Our destination was El Calafate in the South of Patagonia in order to see the glaciers.