本人英文水平不高，求各位英语翻译高手，把下面几段进行汉翻英~~希望大家不要使用翻译工具，感激不尽~~

From the geographical point of view, Chinese culture, originated in the Yellow River civilization, is relatively fixed and closed in a geographical environment evolved. 20th century, almost all Chinese around the insurmountable natural barriers, East, Sou