Kashmiris row a boat in the Dal Lake, Srinagar, in this picture taken on November 24, 2004. For years men and machines have toiled to clean up Kashmir's mirror-calm Dal Lake to remove choking weeds, lily pads and other water plants that have tarnished the image of the famed tourist attraction. But scientists in the Indian Himalayan region have hit upon a new low-cost idea: flood the dying lake with thousands of weed-eating Chinese grass carp. Picture taken on November 24, 2004. REUTERS/Fayaz Kabli FK/CN