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#30DayMapChallenge 2021 day 1: ‘1 dot = 1 person’: creative shading for #population data, using the @QGIS geometry generators. #OpenData @HelsinkiUni @KumpulaScience @GeoHelsinkiUni, map by @chrxf, using #OpenData from @Tilastokeskus and @helsinki (1/x)