In pictures: the Hindu festival of Chhath Puja A woman, framed by a garland in the foreground, participates in the Chahath festival in Kathmandu, Nepal. Chhath is an ancient Hindu festival dedicated to the Hindu Sun God, Surya. During the four-day festival, devotees - usually women - stand in water and offer prayers and food to the setting and rising sun. Picture: REUTERS/Navesh Chitrakar