Mystery of the old album - to the 100th anniversary of the construction of helicopter
This spring, fate leaded us to graduator of KPI Valery Ivanovich Dzyubak. Many years ago Dzyubak family lived in a house with Natalia Sorokina in Pechersk. It was a lonely older woman, she came to Kyiv from Novgorod-Seversky after the revolution of 1917 and got to work Kyiv CID.