Wudang Kung Fu (or Wudang Gong Fu) has its home at Wudang Mountain. Wudang Mountain is the birthplace of internal martial arts where the great Daoist priest Zhang San Feng came to live as a hermit and learn the Daoist methods of attaining immortality. During his time here and through his practice Zhang San Feng created Nei Jia Quan, or what is now more commonly referred to as Tai Ji (tai chi).
The main focus of the video is the performers in the center but you should watch the video a few times. If you do you'll notice in the back on a narrow stage is another martial artist who appears to be doing a separate form yet it blends seamlessly together with the men at the center from time to time. It is really wonderful to watch!