WIRED @WIRED
“When you look at the underside, it's a very intricate, complex landscape that has cliffs and gouges and fractures in it, and it's much thinner than the rest of the ice shelf,” says glaciologist Erin Pettit.📸:Karen Alley 3/9 https://t.co/G06rGAjfy3 — PolitiTweet.org