KATHMANDU, August 6: Bremathang -- the area in the uplands of Helambu that is said to be the origin of the devastating landslides and floods of June 15 in Helambu Rural Municipality and Melamchi Municipality -- was once a grassland, a holy pilgrimage site for Tibetan buddhists, and a meditation center. The grassland that once stretched a few kilometers, at the base of the Himalayas, has now turned into a sand bank.