This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionU5-Triebwagen Enthüllung 1.jpg
English: Unveiling of the U5 railcar, representatives of VGF (purchaser), Bombardier (producer) and Boris Rhein (head of the economic department) press the red button
Deutsch: Offizielle Enthüllung des U5-Triebwagens, Vertreter der VGF und von Bombardier sowie Wirtschaftsdezernent Boris Rhein drücken den roten Knopf
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 only as published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.