These volunteers are filling in missing pieces of the world #map, and helping humanity at the same time

https://www.popsci.com/story/technology/satellite-data-wikipedia-mapping-projects/?fbclid=IwAR111ZqhT03rrsQ02m066G1VehVrrd0nzjZiASIuXdx7E41EJtcuj5PkXvI

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