Observadores

• 

  Everett Burhop

  https://telegra.ph/%EC%9D%BC%EC%88%98%EB%8C%80%EC%B6%9C-%EB%B9%A0%EB%A5%B4%EA%B2%8C-%EB%B0%9B%EB%8A%94-%EB%B2%95-%EC%95%88%EC%A0%84%ED%95%9C-%EC%9D%B4%EC%9A%A9-%ED%8C%81-02-25