image description:
1. Vienna Boys' Choir, goldener Saal des Wiener Musikvereins, 14 June 1970
2. The Palais Augarten in 2. Wiener Gemeindebezirk Leopoldstadt, 8 May 2018
3. Concert hall of the Vienna Boys' Choir, 22 September 2013
4. Inside of the concert hall, 22 September 2013
5. placeholder - work in progress
6. placeholder - work in progress