Weeks before the Dalai Lama ruled out China's role in choosing his successor, President Xi Jinping met a Tibetan Buddhist monk installed three decades ago by Beijing as the faith's No. 2 leader, the Panchen Lama.

The 14th Dalai Lama turns 90 on Sunday and is expected to give his clearest signal yet on how his reincarnation will be determined at the event in Dharamshala, India, where the Dalai Lama has lived since fleeing Tibet in 1959 after a failed uprising against Chinese rule.