Both the Hall of Prayer for Good Harvests and the Circular Mound Altar are round, each standing on a square yard, again representing Heaven and Earth.

The auditorium is separated from the school by a square yard. The school is an unobtrusive four-storey block, to which the expressive form of the auditorium forms a strong contrast.

And the panels have to stay dust-free: just a seventh of an ounce of dust per square yard of panel can decrease solar power conversion by 40 percent.