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.
Lowering of contrast according to the really good advice by user nagualdesign, who criticized the amount of contrast in some areas of the image. Photoshop Saving options unchanged: Quality 11 (97%)