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【前情回顾】里海所在的北半球陆地面积广阔,是适宜人类生活的沃土。而到了南半球,广阔的海洋却是另外一种精灵般生物的天堂。
【Previous Situation Review】 The northern hemisphere where the Caspian Sea is located has a vast land area and is fertile ground for human life. And to the southern hemisphere, the vast ocean is another kind of elf-like paradise.