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Nobody knows how long thisvast stretch of reed marshes atLiaodong Bay by the BohaiSea has existed in the world. But I knowthe red-crowned cranes inhabiting thesemarshes, which leave in winter and re-turn in spring, appeared on the earth morethan 60 million years earlier than humanbeings.
Nobody knows how long thisvast stretch of reed marshes atLiaodong Bay by the BohaiSea has existed in the world. But I know the red-crowned cranes inhabiting thesemarshes, which leave in winter and re-turn in spring, had on the earth morethan 60 million years earlier than humanbeings.