CC-BY-SA-4.0. Please attribute as per the author line above.
This image is licensed under a Creative Commons Attribution-Share Alike licence, which gives you permission to freely use the image for any purpose, so long as you attribute it as requested here, and you must make any modified versions of it available under an identical license.
If you want to use this image under a different license, for example if you can't give attribution or if you can't share a derivative work under the same licence, then I may ask for a small fee to do so, which will help me cover the cost of my photography equipment.
If you use this image outside of the Wikimedia projects, then I'd appreciate it if you could let me know. This isn't compulsory, but it would be nice of you.
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.