Footage of a 73-year-old who has just launched another free yoga class in China. <br /><br />The video, filmed in Hangzhou, Zhejiang Province on March 22, shows Yue Mingcaho teaching around 30 students. <br /><br />He started yoga when he was 63, and finally earned senior instructor status at 70. <br /><br />Since then, he has launched free yoga classes in several communities and has around 140 students of all age ranges.