Day 30: Meta Mapping Day Christian PrzybylekDecember 31, 2021#30DayMapChallenge2021, MetaMapping, MapsComment
Day 29: NULL – Polar Anomalies? Christian PrzybylekDecember 30, 2021#30DayMapChallenge2021, Antarctica, Polar, WeirdComment
Day 28: the Earth is not flat – Digital Globes Christian PrzybylekDecember 29, 2021#30DayMapChallenge2021, Globes, Flat EarthComment
