This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
Summary
DescriptionKunst- und Ausstellungshalle der Bundesrepublik Deutschland - Bundeskunsthalle-9245.jpg
Deutsch: Kunst- und Ausstellungshalle der Bundesrepublik Deutschland - Bundeskunsthalle
View this and other nearby images on: OpenStreetMap
50.714866; 7.121257
Licensing
I have published this image as author under the Creative-Commons-Licence CC BY-SA 4.0.. This means that free online usage outside of Wikimedia projects under the following terms of licence is possible:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.