Iceberg bigger than Las Vegas breaks from Antarctic ice shelf after 'small crack'
The 147 square-mile (380sq km) iceberg called A-83 split from the Brunt Ice Shelf in Antarctica on May 20 morning after a small crack developed into an 8.7-mile chasm
The 147 square-mile (380sq km) iceberg called A-83 split from the Brunt Ice Shelf in Antarctica on May 20 morning after a small crack developed into an 8.7-mile chasm