The Armenian Soviet Socialist Republic. Construction of the Arpa-Sevan tunnel to connect a reservoir on the Arpa River with the Lake Sevan and stop lowering of the lake water level.
- Categories: Environmental Issues, Economy, Business & Finance
- Location: Armenia
- Event date: 04.06.1972
- Date published: 04.06.2018
- Author: Eduard Pesov
- Credit: Sputnik
- Source: Sputnik
- Original: A72-13630, 35 mm film
- Media: JPEG, 4976x3543px, 6.7Mb