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四川盆地东部,群山逶迤,山河相间,尤其是七曜山和巫山,像四川盆地的两道东大门,形成一道道坚不可摧的屏障。大约距今几千万年前,长江从这些高山间切过,形成了著名的长江三峡。长江三峡除去险峻、绮丽的自然风光外还有许多名胜古迹和人类留下的遗迹,大溪遗址便是这其中最著名的遗址之一。
In the eastern part of the Sichuan Basin, mountains and rivers, especially the Qiyao Mountain and Wushan Mountains, are the two eastern gates of the Sichuan Basin, forming an unbreakable barrier. Tens of millions of years ago, the Yangtze River cut through these mountains and formed the famous Three Gorges of the Yangtze River. The Three Gorges of the Yangtze River is one of the most famous ruins of the site, except for the steep, beautiful natural scenery and many monuments and sites left by human beings.