The file photo taken on Aug. 30, 1997 shows the 11th Panchen Lama, Bainqen Erdini Qoigyijabu (top), presiding over a dharma assembly to mark the 10th anniversary of the founding of the High-Level Tibetan Buddhism College of China in Beijing, capital of China. Celebrations were held in Xigaze, southwest China's Tibet Autonomous Region, on Tuesday to mark the 20th anniversary of the enthronement of Bainqen Erdini Qoigyijabu, the 11th Panchen Lama, one of the two most revered "living Buddhas" in Tibetan Buddhism. (Xinhua/Qi Tieyan)