Churning in the Chukchi Sea via NASA https://t.co/Mraye6NxD9 pic.twitter.com/4PoIwgxssZ
— martinengwicht (@martinengwicht) July 17, 2018
from Twitter https://twitter.com/martinengwicht
learning by doing
Churning in the Chukchi Sea via NASA https://t.co/Mraye6NxD9 pic.twitter.com/4PoIwgxssZ
— martinengwicht (@martinengwicht) July 17, 2018
from Twitter https://twitter.com/martinengwicht