

The Chirkei hydropower plant on the Sulak River in the Daghestani ASSR. Photo: Senior Engineer Gennady Deryugin studies a spillway on the hydropower plant's working model.
- Categories: Economy, Business & Finance, Science & Technology
- Location: Republic of Dagestan, Russia
- Event date: 19.08.1969
- Date published: 19.12.2019
- Author: Vladimir
- Credit: Sputnik
- Original: A69-16769, 6x6 film
- Media: JPEG, 3543x5713px, 7.4Mb