Cydonia ring a bell? Yet another Mars-Antarctica connection?
In this case it’s likely nothing more than pareidolia (the human tendency to interpret patterns in a familiar way). However, it is startling in it’s symmetry. It would be interesting to monitor this Antarctica formation and see if it persists, changes or simply disappears with shifting snows over time.
This is the original source of the image:
72°00′ 36.00” S , 168° 34′ 40.00” E