Nestled in Myanmar's Shan State hills, Inle Lake is a UNESCO biosphere reserve and was once a magnet for tourists with its famed houses on stilts and leg-rowing fishermen, but locals warn the floating farms are slowly choking the lake.  The ever-expanding farms are eating up surface area, sending chemical run-off into the waters, and clogging the picturesque site with discarded plant matter, opponents say. IMAGES AND SOUNDBITES