# Balcon des scientifiques Prunksaal Gran Vienne

- By: Daniel Gran
- Date: 2012-02-21
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Balcon_des_scientifiques_Prunksaal_Gran_Vienne.jpg)
- Rights: [CC0](http://creativecommons.org/publicdomain/zero/1.0/deed.en)
- Picture: https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Balcon_des_scientifiques_Prunksaal_Gran_Vienne.jpg/1920px-Balcon_des_scientifiques_Prunksaal_Gran_Vienne.jpg
- Who can see it: Tweens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

The "balcony of scientists", trompe l'oeil at ceiling of the Prunksaal, State Hall of the National Library, Vienna, Austria.