Collection and arrangement of the historical records of climatic changes and environment evolution,espectial-lyin the aspect of calamities,are made on the histo
The economic development in China and the rising of the living standard need to speed up the urbanisa-tion. The development of small towns is an important way t
Since China opening to outside world, the economy inthe Pearl(Zhujiang) River Delta(PRD) has been dou-ble digit growth. It has been known as one of mature fast