International RUSSIA EXPO forum and exhibition. Knowledge: Pioneers marathon. Knowledge Is Power track. RT military correspondent Ilya Vasyunin.
- Author: Ramil Sitdikov
- Credit: Sputnik
- Source: host photo agency: RIA Novosti
- Original: Digital
- Media: JPEG, 5584x3642px, 11.8Mb
- Job-ID: 2eedecad5f23265a