The Mutianyu Great Wall慕田峪长城
the south great wall南方长城
The Ancient Great Wall古长城
the green great wall绿色长城
The e Great Wall长城
The beautiful Great Wall长城是美丽的
the imperfect Great Wall残缺长城
the Qi Great Wall齐长城
The Invisible Great Wall看不见的长城
The Great Wall Series Project is one of the key tourist routes in Hebei Province. The opening of the Great Wall Tourist Highway gives a new opportunity to the development of the region around.
长城系列旅游工程是河北省的精品旅游线路之一，长城旅游公路的开通为这一线路赋予了新的契机。
参考来源 - 河北省长城公路沿线旅游资源系统开发研究—《商业研究》—2008年第4期—龙源期刊网Chapter 4 analyzes the influence of the great wall-military towns defense system of the Northern Wei on environment. In the beginning of.
第四章则分析了北魏长城—军镇防御体系对环境的影响及其后果。
参考来源 - 自然环境变迁与北魏的兴衰