RT @SmithsonianMag: An iceberg flipped over, and its underside is breathtaking. https://t.co/AUUIh0xSFi

http://twitter.com/jbenno/status/1053335576567517184 RT @SmithsonianMag: An iceberg flipped over, and its underside is breathtaking. https://t.co/AUUIh0xSFi October 19, 2018 at 07:22PM