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On the Earth village, the dry, arid and green house effect have been continuing to be in critical situation.It is imperative to find the main reasons of dry, arid and green house effect.The Beijing-Hangzhou Grand Canal and disappear of Kroraina and Lop Nor Lake had both occurred at the ancient time.Which has been providing rare, valuable and special example for exploring and researching on the reasons of dry, arid and green house effect.