Chinese sisters sparring in martial arts in a bamboo forest

The Chinese sisterhood A chinese woman in communist khaki army uniform older sister (pic 1) and a chinese woman in nationalist light blue army uniform little sister (Pic 2) with their tai chi shoes have straps (Pic 3) that fighting each other during the practice their martial art with hand-to-hand combat sparring by punching and kicking at the bamboo jungle. Their smile in their lips is peaceful. Her older sister (Pic 1) use her front kick to kicking on her stomach and make her pain.