"The former director of the British Museum, Neil MacGregor, describes a Tibetan Buddhist painting of the Wheel of Life - a guide to the cycle of birth, death and rebirth and how to escape it." För video: http://www.bbc.com/news/av/world-42244789/a-buddhist-guide-to-the-cycle-of-birth-death-and-rebirth-and-how-to-escape-it