Observerare

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  Gregory Philip

  https://mtrank.net/%EC%95%88%EC%A0%84%ED%95%9C-%EC%8A%A4%ED%8F%AC%EC%B8%A0-%EB%B2%A0%ED%8C%85%EC%9D%84-%EC%9C%84%ED%95%9C-%ED%86%A0%ED%86%A0%EC%82%AC%EC%9D%B4%ED%8A%B8-%EC%B6%94%EC%B2%9C/