The document provides information about the Mahakumbhabhishekam ceremony for the idol of Lord Shiva as Nataraja that will take place at the Chidambaram Temple in Tamil Nadu, India on May 1st, 2015. It also provides background details on the significance of Nataraja in Hinduism, the architecture and layout of the Chidambaram Temple complex, the story and legends associated with the temple, and beliefs regarding the "Chidambara Rahasyam" secret. The temple is considered one of the holiest Shiva sites and is believed to be located at the cosmic center of the magnetic equator.