Rift on Pine Island Glacier via NASA https://t.co/tqTUpgztPa http://pic.twitter.com/zr2hqRxDMC
— martinengwicht (@martinengwicht) September 27, 2017
from Twitter https://twitter.com/martinengwicht
learning by doing
Rift on Pine Island Glacier via NASA https://t.co/tqTUpgztPa http://pic.twitter.com/zr2hqRxDMC
— martinengwicht (@martinengwicht) September 27, 2017
from Twitter https://twitter.com/martinengwicht