Observerare

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  Lawrence Scurry

  https://gepace.com/%ED%86%A0%ED%86%A0%EC%82%AC%EC%9D%B4%ED%8A%B8-%EA%B0%80%EC%9E%85-%EB%B3%B4%EB%84%88%EC%8A%A4-%EC%8B%A0%EB%A2%B0%ED%95%A0-%EC%88%98-%EC%9E%88%EB%8A%94-%EB%A8%B9%ED%8A%80%EA%B2%80%EC%A6%9D%EA%B3%BC/