Masks used for traditional Tibetan opera, photo from China Tibet Information Center. 
The youth actors pose for photo ahead of the opening ceremony, photo from China Tibet Information Center.
The opening ceremony of 2009 Lhasa Shoton Festival opened on August 20 in Lhasa, photo from China Tibet Information Center.
The Shoton (Sour Milk Drinking or Yogurt) Festival, which was strictly a religious festival prior to the 17th century, opened in front of the Potala Palace in Lhasa, on August 20, with the name for Shoton mascot having been released. During the celebration, various kinds of religious and recreational activities will be held.
