Lake Seliger, Kalinin region.
- Categories: Environmental Issues
- Location: Tver region, Russia
- Event date: 01.08.1971
- Date published: 13.12.2016
- Author: Alexey Bushkin
- Source: Sputnik
- Credit: Sputnik
- Original: A71-6580, 6x9 film
- Media: JPEG, 5315x3519px, 5.5Mb