In the long geology ages,the alternation between warm period and the cold period, and the alternation between the interglacial and glacial cycle are the basic characteristics of climatic change in the earth. This parer discusses that the alternation and great change of the climate directly influence the evolution of the living creature world and the development of mankind and its culture, and announces that the Yangtze Basin gleamed 'the ray of light of human origins', and became a mysterious 'time tunnel of mankind to evolve' in such a period. And it also discusses Holocene is such a precious...