( 2015-2-13 ) 【Note: The following is an excerpt from the speech titled “How can we save the Earth?” which was delivered by Grandmaster Datong at the 11th annual Earthdance International Music Festival, a large-scale event, held in United States in 2007. The point of view of Feng Huang Yuan on Yin environmental protection is … Continue reading The Knowledge of “Yin-Yang” Environmental Protection