A Giant Perfect Rectangular Antarctic Iceberg

A perfect rectangular iceberg, floating among sea ice just off of the Larsen C ice shelf, in Antarctica.

The iceberg with straight edges or 90-degree angles, photographed in Antarctica last week as part of Operation IceBridge.

The rectangular iceberg it is likely over 1.6 kilometres (1 mile) across, University of Maryland Earth scientist Kelly Brunt  told LiveScience.