Thousands of Hindus in India's capital city on Saturday waded into a sacred river to observe the Chhath Puja festival despite the water being covered with toxic foam.<br /><br />The Yamuna, a tributary of the Ganges, is one of India's most sacred rivers but has become one of its most polluted. <br /><br />Industrial effluents and untreated sewage continue to flow into the Yamuna, despite repeated government attempts to clean the sacred river.<br /><br />For many Hindus, the Yamuna remains a key water source which resonates deeply with their faith so on Saturday they waded into the waters nonetheless to observe the ancient festival which is dedicated to the sun god.
