The pilgrims spinning their prayer wheels as they make the kora around the Jokhang Temple. Lhasa. They come in all shapes and sizes, from some that fit in the palm of the hand to some huge found in monasteries and even the electrical system is driven by water or by the rivers. Has within a few scrolls are handwritten mantras, usually in their ancient language, Sanskrit, scrolls that can be ten to twelve feet long inside perfectly wrapped and that motion on the sky for your prayers and prayers.