Translation of granulate in Spanish

I am studying economics for my MA at University of California and I should stay in the US for about 4 years. My English is not good. But I want learn this language. You want learn German? yes I can teach you German. I wish you a nice day.
There we only few tourist visiting this site and the entire setting of the jungle around all structures gave it a very adventurous feeling. Roots of trees were actually covering the walls of the buildings
And we could not see a thing outside the bus. The bus stopped two hours later at 11pm at our final destination, San Pedro. We took our backpacks and left the bus. The bus drove away into the dark night.