Glacial ice from continental Antarctica slowly works it's way North where it eventually breaks free of its hold on the land and floats or rolls it's way out to sea. During Winter these 'bergs' again become locked in frozen sea ice as pictured here.
Glacial ice from continental Antarctica slowly works it's way North where it eventually breaks free of its hold on the land and floats or rolls it's way out to sea. During Winter these 'bergs' again become locked in frozen sea ice as pictured here.