A couple work hard to maintain the land using tools to dig the dry earth. The Pu Mai village depends on the water source from the Rongbuk Glacier Mount Everest (Qomolangma). These Glaciers are one of the prime sources of water feeding into the major rivers of China and India and are receding faster than in any other part of the world as a result of global warming. These villagers are feeling the effects drier conditions and water shortage.