Наблюдатели

• 

  Dennis Truchanas

  https://sparkmindtechnologies.com/%ec%b9%b4%ec%a7%80%eb%85%b8%ec%82%ac%ec%9d%b4%ed%8a%b8%ec%9d%98-%eb%aa%a8%eb%93%a0-%ea%b2%83-%ec%b5%9c%ea%b3%a0%ec%9d%98-%ec%98%a8%eb%9d%bc%ec%9d%b8-%eb%8f%84%eb%b0%95-%ea%b2%bd%ed%97%98%ec%9d%84/