At 90, the Dalai Lama is still one of the world's most powerful spiritual leaders, writes Pico Iyer. Here’s why.

The Dalai Lama says he hopes to live until he is over 130 years old, a remark he made during a ceremony organized by his followers to offer prayers for his long life as he prepares to celebrate his 90th birthday.

The Dalai Lama said on Saturday he hopes to live until he is more than 130 years old, two decades longer than his previous prediction, following his assurance to followers that he would reincarnate as the spiritual head of the faith upon his death.