the main axis of the plaza appears to originally have run north-south from the central ballcourt on the north side through to the palace structure 5d-91 on the south side. the flanking structures 5d-90 and 5d-92 were then built as annexes on the south side of the plaza, at the same time as the east and west ballcourts were added on the north side. the seven temples themselves appear to have been a later development, taking advantage of the adjoining west terrace of the south acropolis. archaeologists have divided the plaza of the seven temples into a number of zones: