Bhajan singer Lakhbir Singh Lakkha with other Indian Sadhu, holy men, take part in a protest to stop Indian government plans to construct dams on the river Ganges which would interrupt its flow, during a rally in New Delhi on June 18, 2012. Scientists say massive amounts of human and chemical waste have devastated the river, which spills from a Himalayan glacier and cuts through India's plains before flowing into the Bay of Bengal. Photo by Shweta/Indian Photo Agency