Because of the conspicuous contradiction of the watershortage in the north, the South-to-North Water Diver-sion Project has begun from research to preparation andoperation stage recently. I think to solve the problem ofwater shortage should look for the o Because of the conspicuous contradiction of the watershortage in the north, the South-to-North Water Diver-sion Project has begun from research to preparation andoperation stage recently. I think to solve the problem of water shortage should look for the o