Observerare

• 

  Lorenzo Batt

  https://iiiy.us/%EC%8B%A0%EC%9A%A9-%EB%8C%80%EC%B6%9C-%EA%B8%88%EC%9C%B5%EC%9D%98-%EC%83%88%EB%A1%9C%EC%9A%B4-%EA%B0%9C%EC%B2%99%EC%A7%80/