Translation of agriculture in Spanish

We had three more days and the city which was plenty of time if not even too much. It is true that this city is unique and that you can spend there over a month, but we started to miss the countryside.
Sammy our cab driver brought us to the hotel, he promised to pick us up a few hours later. We took a shower and rested a little. I could not sleep because I was too excited of being in a new country.
I think I have to switch back to English. It will take me two years until I write an entire letter in German and I suppose I do not have the time for it. Does that mean that I am not serious about learning?