{
  "CC0 1.0": "https://creativecommons.org/publicdomain/zero/1.0/",
  "CC BY 2.0": "https://creativecommons.org/licenses/by/2.0/",
  "CC BY-SA 2.0": "https://creativecommons.org/licenses/by-sa/2.0/",
  "CC BY-NC 2.0": "https://creativecommons.org/licenses/by-nc/2.0/",
  "CC BY-SA 3.0": "https://creativecommons.org/licenses/by-sa/3.0/",
  "CC BY-SA 4.0": "https://creativecommons.org/licenses/by-sa/4.0/",
  "Pixabay Content License": "https://pixabay.com/service/license-summary/",
  "Unsplash License": "https://unsplash.com/license"
}