# Ессентуки 4

- By: Лаборатория "Микрокосмос"
- Date: 2015-11-14
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:%D0%95%D1%81%D1%81%D0%B5%D0%BD%D1%82%D1%83%D0%BA%D0%B8_4.JPG)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/9/9b/%D0%95%D1%81%D1%81%D0%B5%D0%BD%D1%82%D1%83%D0%BA%D0%B8_4.JPG/1920px-%D0%95%D1%81%D1%81%D0%B5%D0%BD%D1%82%D1%83%D0%BA%D0%B8_4.JPG
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Microcrystals of Mineral Water “Essentuki 4” Salt Light microscopy, polarized light Micrograph by: Dashko Alexandra, student of The Science Research Laboratory “Microcosmos” Scientific adviser: Mihaltsov Anatoly Ivanovich