Excellent Pranayama Explanation from Himalayan Yoga Swami

Pranayama from an expert. Swami Sundaranand does practises 24 hours a day and he is a great joy to be with. The Center for Healing Arts spent 6 days with him via his generosity to do this documentary on him. Swami Sundaranand the last great hard core Yogis and lives in Gangotri in the Himalayas on the Sacred River Ganges.