Actors from Aba Autonomous Prefecture, Sichuan, give performances of sheepskin drum "Drum - Heaven Singing" at the opening ceremony of the 4th International Festival of Intangible Cultural Heritage in Chengdu, capital of southwest China's Sichuan Province, June 15, 2013. Sheepskin Drum, a ritual dance, also known as "jump", is the main form of dance of Qiang ethnic group's sacrificial activities, with a distinctive Qiang culture.
