Observadores

• 

  Les Heath

  https://yoiggi.com/2024-%EC%8A%A4%ED%8F%AC%EC%B8%A0%ED%86%A0%ED%86%A0-%EC%88%9C%EC%9C%84-%EC%B5%9C%EC%8B%A0-%EB%8F%99%ED%96%A5%EA%B3%BC-%EB%B6%84%EC%84%9D/