Image Credits

Photography Attribution

Some photographs on this site are openly licensed works by other photographers, used under Creative Commons or public domain terms. Images have been cropped and resized. We're grateful to the photographers who share their work. The originals and their licenses are linked below.

Licenses: CC BY and CC BY-SA require attribution; our cropped versions of CC BY-SA images remain available under the same license. Public domain and CC0 works are credited as a courtesy.