Diana grotto in a Pyatigorsk park.
- Categories: Environmental Issues
- Location: Pyatigorsk, Stavropol region, Russia
- Event date: 01.06.1971
- Date published: 28.04.2005
- Author: V. Kozlov
- Source: Sputnik
- Credit: Sputnik
- Original: А71-21446, 6x6 film
- Media: JPEG, 2980x3000px, 1.9Mb