" The Sapa Inca—“not only a secular ruler but also the head of the state religion,” according to Reinhard—relied on his status as the son of the sun to support his claim to power. For this reason, the cardinal directions (north, south, east, west) were crucial to Inca beliefs, according to the Spanish chronicles. "

― , Turn Right at Machu Picchu: Rediscovering the Lost City One Step at a Time