TEXT: "Hindu devotees travel on a crowded passenger train to take part in the ""Guru Purnima"" festival in Goverdhan town near the northern Indian city of Mathura July 24, 2010. Guru Purnima is observed to pay respects to one's ""guru"" or teacher who symbolises the Hindu Trinity of Brahma, Vishnu and Mahesh, believed to be the creators of the universe and will be celebrated on Sunday. REUTERS/K. K. Arora (INDIA - Tags: SOCIETY RELIGION TRANSPORT)"