 A particular feature of the seven identical moai statues is that they exactly face sunset during the Spring Equinox and have their backs to the sunrise during the Autumn Equinox.Such an astronomically precise feature is seen only at this location on the island.Ahu Akivi, aligned in an east–west direction, is located on the flank of the southern slope of Maunga Terevaka at Rapauni and it is surrounded by fairly flat agricultural land.