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.
(Original text: File:Bundesarchiv Bild 101I-646-5188-17, Flugzeuge Junkers Ju 87.jpg (Author: Opitz) was provided to Wikimedia Commons by the German Federal Archive (Deutsches Bundesarchiv) as part of a cooperation project and is licenced under Creative Commons Attribution ShareAlike 3.0 Germany. The rest are in public domain.)