Nourish the Blood, Tonify the Qi to Promote Longevity, and Calm and Concentrate the Mind to Regulate the Heart Professor Zhang Guangde"s Dao Yin Yang Sheng Gong forms part of the Chinese national health program and is the most popular form of Qigong practiced in China and across the globe. This book contains step-by-step instructions and illustrations to show various steps of the foundation sequences. Full description