Hindu devotees, their cheeks pierced with metal rods, wait to participate in a religious procession during Thaipusam festival in Chennai, India, Tuesday, February 3, 2015. Thaipusam, celebrated in honor of Hindu god Lord Murugan, is an annual procession by Hindu devotees seeking blessings, fulfilling vows and offering thanks. (Photo by Arun Sankar K./AP Photo)

A Hindu devotee, his body pierced with metal rods, participates in a religious procession during Thaipusam festival in Chennai, India, Tuesday, February 3, 2015. (Photo by Arun Sankar K./AP Photo)

A Hindu devotee, his body pierced with metal hooks, pulls a chariot carrying a deity of Hindu god Lord Murugan during a religious procession marking Thaipusam festival in Chennai, India, Tuesday, February 3, 2015. (Photo by Arun Sankar K./AP Photo)

A Hindu devotee sits with his cheeks pierced with a metal rod as he participates in a religious procession during Thaipusam festival in Chennai, India, Tuesday, February 3, 2015. (Photo by Arun Sankar K./AP Photo)

A volunteer urges a Hindu woman devotee on as she walks on burning coal during a religious procession to mark Thaipusam festival in Chennai, India, Tuesday, February 3, 2015. (Photo by Arun Sankar K./AP Photo)

A Hindu devotee walks on burning coal during a religious procession to mark Thaipusam festival in Chennai, India, Tuesday, February 3, 2015. (Photo by Arun Sankar K./AP Photo)

A Hindu woman devotee gets her cheeks pierced with a metal rod as she participates in a religious procession during Thaipusam festival in Chennai, India, Tuesday, February 3, 2015. (Photo by Arun Sankar K./AP Photo)

A devotee leaves a temple pulling a chariot during Thaipusam festival in Singapore February 3, 2015. (Photo by Edgar Su/Reuters)

A devotee carrying his kavadi waits to start his procession during Thaipusam festival in Singapore February 3, 2015. (Photo by Edgar Su/Reuters)

A devotee leaves a temple pulling a chariot during Thaipusam festival in Singapore February 3, 2015. (Photo by Edgar Su/Reuters)