Photos: Massive ice shelf collapsing off Antarctica

The crumbled portion of the Wilkins Ice Shelf features 492-foot-wide icebergs that are crumbling into house-size blocks.

Photo by National Snow and Ice Data Center/courtesy Cheng-Chien Liu, National Cheng Kung University (NCKU), Taiwan and Taiwan's National Space Organization (NSPO); processed at Earth Dynamic System Research Center at NCKU,