Photo taken on May 17 shows people visiting traditional Tibetan musical instruments. (Photo/Xinhua)

Some Tibetan opera collections have been exhibited in Tibet  Museum to celebrate the 39th International Museum Day. What’s more, part of the collections is on display for the first time. Items such as Tibetan opera masks, clothing and musical instruments are exhibited to analyze the cultural connotation of Tibetan opera.

Photo taken on May 17 shows people visiting Tibetan opera masks. (Photo/Xinhua)