(Stream) Dogon - The Sigui (Sirus) Ceremony

The Sigui Ceremony is a festival celebrated by the Dogon Nation of Mali, West Africa. It commemorated the 50 year rotation of Sirius A, the Dog Star. While the cycle is 50 years, the Sigui Ceremony is performed every 60 years. Why is there a 10 year difference between the actual star cycle and the ritual? This stream offers ideas from a cosmic perspective.