Osservatori

• 

  Sophie Forman

  https://billioneerstory.com/%eb%8c%80%ec%a0%84%eb%b0%a4%ec%95%8c%eb%b0%94-%ec%83%88%eb%a1%9c%ec%9a%b4-%ea%b8%b0%ed%9a%8c%eb%a5%bc-%ec%b0%be%ec%95%84%ec%84%9c/