Life / Health

People look at the Sydney Opera House as "Play" by The Spinifex Group is projected on its sails as part of Vivid Festival in Sydney May 24, 2013. Vivid Sydney, a creative festival of light, music and ideas, runs from May 24 to June 10. REUTERS/Daniel Munoz (AUSTRALIA - Tags: SOCIETY TRAVEL)

People look at the Sydney Opera House as "Play" by The Spinifex Group is projected on its sails as part of Vivid Festival in Sydney May 24, 2013. Vivid Sydney, a creative festival of light, music and ideas, runs from May 24 to June 10. REUTERS/Daniel Munoz (AUSTRALIA - Tags: SOCIETY TRAVEL)