Observadores

• 

  Harvey Cousin

  https://www.tsukemen.net/%eb%b9%84%eb%8c%80%eb%a9%b4-%ec%8b%9c%eb%8c%80%ec%9d%98-%ed%98%81%ec%8b%a0-%eb%ac%b4%eb%b0%a9%eb%ac%b8%eb%8c%80%ec%b6%9c%ec%9d%98-%eb%aa%a8%eb%93%a0-%ea%b2%83/