International RUSSIA EXPO forum and exhibition. Knowledge: Pioneers marathon. Knowledge: Motherland track. Chairwoman of the Russian Federation Council Valentina Matviyenko.
- Author: Evgeny Biyatov
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 7802x5024px, 28.4Mb
- Job-ID: 756429215906b28