Twemoji flag graphics. Copyright Twitter, Inc. and other contributors.
Source: https://github.com/jdecked/twemoji/tree/main/assets/svg
License: Creative Commons Attribution 4.0 International.
https://creativecommons.org/licenses/by/4.0/
Unmodified SVG assets: 1f1f8-1f1e6 (Saudi Arabia), 1f1ec-1f1e7 (United Kingdom), 1f1e8-1f1f3 (China).