Tui Shou Libre Profesor Chen Chen 陈晨

Chen Chen 陈晨, Chen Taiji 13º generation descendant, Coach Chenjiagou international Taiji Academy.
陈式太极拳第十三代传人，陈家沟国际太极院主教练。

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This is very interesting, way more stand up grappling than I thought there would be in tai chi.