The Protva River, the Borovsky Region.
- Categories: Environmental Issues
- Location: Kaluga region, Russia
- Event date: 01.06.2000
- Date published: 18.09.2009
- Author: Vladimir Fedorenko
- Source: Sputnik
- Credit: Sputnik
- Original: DP00-742, 35 mm slide
- Media: JPEG, 5264x3544px, 6.3Mb