Diagnosis of Sterility and Its Traditional Chinese Medicine Treatment

The Ming emperor Zhu Yuanzhang built Nanjing’s City Walls to defend his capital in the mid-14th century. It was an important masterpiece of fortification in an advanced construction period in the history of China and is also an historical and cultural symbol of Nanjing. It features unique design concept, remarkable technology and a majestic view. It is a technical masterpiece of complex city wall construction engineered for military defense. The Nanjing City Wall symbolized the first capital of a unified dynasty in southern China and also served as a blueprint for the construction of the Beijing city wall during the Ming and Qing Dynasties. It is included in China’s preparatory list for World Heritage Sites.