Very nice. Thanks for posting. His energy and spirit are a joy to see.
By the way, do you know why the narrator seems to say Yang "Chenpu," rather than Yang "Chengfu"? Is this a reading pronunciation based on another standard? I think I have heard or seen "chenpu" before (along with "Dengfu" or "Dengpu"), but did not know why it was done and didn't know if it was a typo or a problem with different accents. I think that 甫 may have an alternate pronunciation of pu3, but what about "chen"? As far as I am aware, the family pronounces his name as cheng2 fu5 or cheng2 fu3 and would assume that everyone taught by the family would follow that.