Physicists of many nations – CC BY-NC-ND by Ann Fisher

Day 3 of 30DayMapChallenge: « Polygons » (previously).
An interesting challenge a few weeks ago on https://en.osm.town/@opencage/115271196316302891:

Post by @opencage@en.osm.town View on Mastodon

Name countries whose ISO 3166-1 alpha-2 code is contained as a substring in the …

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