From the 13th to the 16th centuries, the Incas ruled over a huge, highly developed empire made up of hundreds of Andean tribes, the origins of which were derived from a sacred place, star or animal. The official religion was the sun cult. Temples dedicated to the sun were built throughout the realm, which at its peak stretched from Ecuador in the north to parts of Chile and western Argentina in the south. The best known is the Coricancha, which was located in Cusco in present-day Peru, the political, military and administrative centre...