Let there be light: MGH staff gathered in the East Garden Room Oct. 29 for the annual hospital celebration of Diwali, hosted by Human Resources. The holiday – known as the festival of lights – is the most widely recognized Hindu festival worldwide, during which Hindus, Buddhists, Sikhs and Jains celebrate for five days. Diwali symbolizes the spiritual victory of light over darkness, good over evil, and knowledge over ignorance.