The 20th Congress of International Association of Hydraulic Engineering and Research in Moscow. Photo: Congress delegates at the official opening ceremony.
- Categories: Science & Technology
- Location: Moscow, Russia
- Event date: 05.09.1983
- Date published: 21.03.2022
- Author: Andrew
- Credit: Sputnik
- Original: 83-13195, 35 mm film
- Media: JPEG, 5388x3419px, 5.5Mb