British Antarctic Survey 🐧: The world’s largest and oldest iceberg A23a has finally come to a standstill ✋ It appears to have run aground on the sea bed near the sub-Antarctic Island of South Georgia. Here's an illustration of its position over the last few days by @magic.bas.ac.uk ⬇️ 🧵 1/4

The world’s largest and oldest iceberg A23a has finally come to a standstill ✋ It appears to have run aground on the sea bed near the sub-Antarctic Island of South Georgia. Here's an illustration of its position over the last few days by @magic.bas.ac.uk ⬇️ 🧵 1/4