Associated Press: Village elder Yang Zhenjun isnt ready to move out from the valley where his people have herded sheep and tended crops for generations amid arid, drought-prone mountains of Chinas northwest. Still, he acknowledges that life as he has known it is all but over. The communitys 60 families have dwindled down to 11 in recent years. Others have left this area, which is almost completely dependent on often-scarce rainfall, and have headed north to plains with better infrastructure and more accessible...