More interestingly, he goes further in explaining how "archaeoastronomer Ray White recently uncovered depictions of four constellations that are prominent in the Andean skies - the Southern Cross, the Summer Triangle, the bright 'eye stars' of the dark cloud constellation in the Milk Way that the Incas called the Llama and the Pleiades. These were the constellations that are believed to rule the four suyus, or quarters, of the Inca empire."