Site by Bart Nagel <bart@tremby.net>

Photos:

- National Theatre, Munich: Tobias Seiler <https://unsplash.com/photos/t3xUVon8WXw>; Unsplash License <https://unsplash.com/license>
- Städtische Bühnen, Frankfurt: Epizentrum <https://en.wikipedia.org/wiki/File:Frankfurt_St%C3%A4dtische_B%C3%BChnen.20140423.jpg>; Creative Commons Attribution-Share Alike 3.0 Unported license <https://creativecommons.org/licenses/by-sa/3.0/deed.en>
- Stopera, Amsterdam: Carlotta Segna <https://unsplash.com/photos/1cuQOJJ6sVI>; Unsplash License <https://unsplash.com/license>
- Grand Theatre, Warsaw: Tilman2007 <https://en.wikipedia.org/wiki/File:Warszawa,_ul._Senatorska_21,_25_20170516_001.jpg>; Creative Commons Attribution-Share Alike 4.0 International license <https://creativecommons.org/licenses/by-sa/4.0/deed.en>
- Opernhaus Dortmund: M Bigge <https://en.wikipedia.org/wiki/File:Dortmund-City-_1663.JPG>; Creative Commons Attribution-Share Alike 3.0 Unported license <https://creativecommons.org/licenses/by-sa/3.0/deed.en>
- Opernhaus Düsseldorf: ADA <https://unsplash.com/photos/a-statue-of-a-man-in-front-of-a-building-2AIzdoWxed8>; Unsplash License <https://unsplash.com/license>
- Royal Academy of Music, London: Philafrenzy <https://commons.wikimedia.org/wiki/File:Royal_Academy_of_Music,_London_W1.jpg>; Creative Commons Attribution 2.0 Generic license <https://creativecommons.org/licenses/by/2.0/deed.en>
- Royal College of Music, London: David Iliff <https://en.wikipedia.org/wiki/File:Royal_College_of_Music_-_April_2007.jpg>; Creative Commons Attribution-ShareAlike 3.0 Unported license <https://creativecommons.org/licenses/by-sa/3.0/>