Kalachakra is an ancient ritual that involves a series of prayers, meditations, dances, chants, vows and the construction of a large sand mandala - all with the aim to bring world peace. Kalachakra 2012 began January 1 and lasted for ten days in the northern Indian state of Bihar. The Dalai Lama, the Tibetan Spiritual Leader, gave teachings and participated over the course of the festival.
Around the world people celebrated with fireworks, kisses, blessings, gatherings, cheers, watching the sunrise and plunges into icy bodies of water to welcome in a new year. Here's a look back at how some of them marked the transition.
