This also means that the photographer has copyright protection.
The image may be used exclusively according to the rules of the free license listed here or with the express permission of the copyright holder.
In the case of social media, particular attention should be paid to the terms of use. These do not always correspond to the license conditions listed here. (See also CC BY-SA licenses and social media.) Please check this before using in the respective medium.
It is not allowed to upload this file to Facebook, Instagram or other social networks.  

The author would also like to make minor modifications only at the source available to him. This is a .dng file. Editing a .jpg file always results in an unwanted loss of quality. This ensures that the changes and quality are maintained. In addition, easy access to the source should also be possible for external use, which would not be possible via the file versions.

The file name is part of the mandatory information of the license and should therefore not be changed. The three components image file, license and file name (title) are inseparable. The author of this image has provided it here exactly with the mentioned license. In case of incorrect information, the author is grateful for appropriate information.
Even though a wiki offers a wide range of modification options, some are possible but not acceptable. Remember that the image can be used outside the Wikimedia Commons world. This location and image file are referenced as part of the attribution.
If you want to make changes to this image and share it with others, upload it as a new image under a new name. To do this, use the derivative or extract template. Please name yourself as the editor when uploading a derivative or clipping, as you are responsible for the changes. Only licenses that are compatible with the aforementioned license are permitted as alternatives. Otherwise, any other form of licensing is reserved exclusively for the author. Anyone who enters a link expects the corresponding page to be displayed with the appropriate image. Anything else leads to uncertainty.