MET Norway weather data: CC BY 4.0, https://www.met.no/en/free-meteorological-data/Licensing-and-crediting
The Adler illustration and city marker are original schematic SVG artwork.

City crests added 2026-09-17:
Sevastopol: official municipal symbol (public domain), Wikimedia Commons COA of Sevastopol.svg; local PNG reused from sochi-sevastopol.ru.
Adler: unofficial district emblem, artwork by Bescker, 4 March 2023. Source: https://commons.wikimedia.org/wiki/File:Coat_of_Arms_of_Adler.png
License: CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/ ; original PNG unchanged.

City crests added 2026-09-17:
Sevastopol: official municipal symbol (public domain), Wikimedia Commons COA of Sevastopol.svg; local PNG reused from sochi-sevastopol.ru.
Adler: unofficial district emblem, artwork by Bescker, 4 March 2023. Source: https://commons.wikimedia.org/wiki/File:Coat_of_Arms_of_Adler.png
License: CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/ ; original PNG unchanged.