# Riesenburg HDR-20180418-RM-163651

- By: Reinhold Möller Ermell
- Date: 2018-04-18
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Riesenburg_HDR-20180418-RM-163651.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Riesenburg_HDR-20180418-RM-163651.jpg/1920px-Riesenburg_HDR-20180418-RM-163651.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Riesenburg Cave in Franconia, Germany. Looking vertically upwards through the collapsed ceiling.