I turned up to yoga class this evening not knowing what I was about to let myself in for. Our instructor, Keren, was talking about summer solstice and then explained that as it was the solstice, we would be joining in with the tradition of performing 108 sun salutations… I think my eyes nearly popped out of my head!! 108?!?! Why?!? Keren explained that the number 108 is an important number and has long been considered a sacred number in yoga and Hinduism. There are many exp