Translation of scan in Spanish

As it was the primary attraction for all tourist we were "escorted" by a few thousand other visitors. Our guide Samuel informed us about the ancient history of this special place.
It must have taken them years and ten's of thousands of workers to accomplish the tasks of constructing such spectacular compounds. We took many pictures and walked back to the taxi.
Sorry but I hadn't have enough time in the last two weeks to respond to your email and to your interesting offer. I really need to think about it a little longer, and I am sure you'd understand.