The purple cupping dots on the back of legendary U.S. swimmer Michael Phelps during the Rio 2016 Olympics brought Traditional Chinese Medicine into the international spotlight. 

To find out more about this mysterious therapy, Global Watch editor Wang Haiyang observed a 30-minute cupping therapy at the Beijing Guangwai Hospital, known for its TCM department. Watch closely, and you might just find a brand-new way to calm your body and mind