Translation of grind in Spanish

I am sorry that I did not respond to your last email you sooner. Have you been busy with your work? Do you have any meetings or travel planned? I have friends around the world and they call me Mike.
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
We hardly remembered that our day began at 7.30am 500 kilometers further north. It was now already 6pm and we were eager to board the plane in order to reduce the distance to our destination.