Yes, it is Soundcloud Berlin. He indicates the source at the bottom of the article: <a href="https:&#x2F;&#x2F;www.flickr.com&#x2F;photos&#x2F;heisenbergmedia&#x2F;8409314268&#x2F;in&#x2F;photostream&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.flickr.com&#x2F;photos&#x2F;heisenbergmedia&#x2F;8409314268&#x2F;in&#x2F;...</a>