It has been spectacularly cold and icy this winter, and among the photogenically frozen landscapes is the Hudson River. But being completely frozen over isn't really an option for the river, which needs to be passable not just for ferries but also boats carrying necessary winter supplies, like heating oil. This short video from The New York Times profiles a Coast Guard ice cutter, the Sturgeon Bay, at work near Germantown, New York, making pass after pass to break up the ice.

[h/t untapped cities]