西部，绿色长城在延伸——兰州军区官兵绿化西北掠影胡世健，年卫华提起西部，人们总会与，“荒凉”、“风沙”联系起来，那绵亘千里的荒山秃岭，铺天盖地的黑风沙暴，令生栖于这片土地的各族人民心忧惊悸。“植树种草，绿化西北，改变生态环境”，成为人们的强烈心愿。早... West, the green Great Wall in the extension - Lanzhou Military Region Green Northwest Glimpse Hu Shijian, Nian Weihua filed in the west, people always, and “desolation,” “wind and sand” linked to the stretch of barren hills and lakes, overwhelming black wind sandstorms , So that people living in this land of people of all nationalities worry frightened. “Planting trees and grass, greening the northwest, changing the ecological environment,” has become a strong desire of people. early...