摘要
North China＇s Green ScreenInner Mongolia Autonomous Region is an important ecological screen for north China, and even the whole country. Building a ＂green great wall＂ to ensure China＇s ecological security is one of the priorities of the autonomous region.
North China＇s Green ScreenInner Mongolia Autonomous Region is an important ecological screen for north China, and even the whole country. Building a ＂green great wall＂ to ensure China＇s ecological security is one of the priorities of the autonomous region.
