# Závrt v Moravském krasu

- By: Michal Daneš
- Date: 2022-10-08
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Z%C3%A1vrt_v_Moravsk%C3%A9m_krasu.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/5/56/Z%C3%A1vrt_v_Moravsk%C3%A9m_krasu.jpg/1920px-Z%C3%A1vrt_v_Moravsk%C3%A9m_krasu.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Groups of sinkholes in the area of the Moravian Karst create surface karst formations in the fields, which resemble unusual symbols from a bird's eye view.