Old Dog
A story of an aged sheepherder, his gruff grown son (who’s having trouble conceiving a child with his wife) and the old man’s Tibetan mastiff hound – a highly prized breed, much sought after by urban Chinese – whose existence is imperiled from all sides.
Starring Yanbum Gyal, Drolma Kyab, Lochey, Tamdrin Tso
Watch "Old Dog" from streaming services Hoopla, Amazon released in 2011. It's a drama and documentary movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.