The tradition of cockfighting, in which two male chickens equipped with lethal spurs are made to fight each other to the death, is popular in Bali as a means of animal sacrifice.The cockfights, and more generally sacrifice, is done outside the temple compound. The sacrifice is performed to mollify the potentially angry local spirits, so as to keep them from causing disease or misfortune.Balinese puras are planned according to particular rules to ensure that the cosmos is kept in a harmonious state.One temple, known as Besakih, is on the side of the main volcano of the island, and is considered to be the holiest temple of all.In Balinese cosmology, there are two significant directions, known as Kaja and Kelod.