Sour Milk Drinking Festival stemmed from A. D. the mid-11th century, Sour Milk Drinking Festival was one pure religious activities at that time.The traditional way of starting the Shonton Festival is to show Buddha paintings. The main contents include Tibetan operas and gala parties, as well as wonderful yak racing and horsemanship display.And people sing and smile with the laughter, applause, chugger and moo intertwined to form what ass ume sto be a "Mini - style Olympic"be longing to Tibe tan people.