People know about Chinese Yin Yang philosophy when learning Chinese martial arts, Tai Chi fist, Feng Shui, Chinese medicine, Chinese acupuncture, Taoism, I-Ching, Chinese astrology and Confucianism. Chinese Yin Yang symbol becomes a well known icon. Tai Chi diagram or Yin Yang symbol even are found in the crop formations. Some Yin Yang Crop Circles and Tai Chi Crop Formations might be man-made, photoshopped or computer generated.