Traditional Chinese Medicine. The JingLuo (Meridians and Collaterals) System.
This video is English & Chinese , so if use Headphones, you only use one side which have english explain (just have a try). If you use Speaker , Adjust the left and right Audio channels in your computer.
Video Source: 針灸學經絡介紹.mp4 from 張司憲 on Youtube ⁄ CC BY