The Serebryanka River valley. The Sikhote-Alin Biosphere Nature Reserve.
- Categories: Environmental Issues
- Location: Primorsky krai region, Russia
- Event date: 01.05.1973
- Date published: 22.05.2010
- Author: Ognev
- Source: Sputnik
- Credit: Sputnik
- Original: A73-16838, 6x6 film
- Media: JPEG, 3627x3638px, 5.7Mb