Dec 9 Dec 9 Day 8: Blue – Citizenship of People Who Have Traveled to Space Christian Przybylek 30 Day Map Challenge 2021
Dec 8 Dec 8 Day 7: Green - Tree Canopy in the United States of America Christian Przybylek 30 Day Map Challenge 2021
Dec 7 Dec 7 Day 6: Red Number of Nuclear Warheads by County Christian Przybylek 30 Day Map Challenge 2021