@CNN: Penguins, Seals, and Krill: Antarctica’s fragile food chain | via @CNNVR https://t.co/JTxpUUYVq1 https://t.co/UMLgafimF9
Penguins, Seals, and Krill: Antarctica's fragile food chain | via @CNNVR https://t.co/JTxpUUYVq1 pic.twitter.com/UMLgafimF9
— CNN (@CNN) June 10, 2018