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Su Yun never imagined that he was the only human in the Tianmen Town where he had lived for more than ten years. He also never expected that outside Tianmen Town, within a radius of a hundred miles, there was a famous no-man’s-land.
    Walking along the edge of a cliff. Walking near a deep abyss in the darkness of night, one must be vigilant and cautious, as if walking on thin ice.