Can someone please give me a picture of the entire Mayan reservoir water system?

Here's another link to help you research.  It includes this picture.

http://green.blogs.nytimes.com/2012/07/16/a-mayan-water-system-with-lessons-for-today/

For more, search "Mayan water reservoir images."

I also found an article about a pressurized water system.  

http://www.sciencedaily.com/releases/2010/05/100504155421.htm