Wonderful documentation of your adventures, you sure ate well!
I read that you were comparing the landscaping to that of Peru's terraced fields. From that statement I'm assuming you have visited, and maybe even Ollantaytambo. I have been involved with an archeological project with my father there for many years. If you are interested you can view:
https://home.comcast.net/~ollant/
Please note, you must use Internet Explorer to view or the links don't work.
Also there appears to be a problem with slide 35b, so if you get that far just insert 35C in the URL to continue.