Reply to Saltwater sculpted glacial ice, Pleneau Island, Antarctica [OC][5477 × 3651] by Chipotle42

Reply to comment by trailerhippie in TIL Snow is an excellent insulator because it consists of about 90–95 percent trapped air (fresh). This is the reason why igloos are warmer inside than outside, and why some animals in colder regions build snow caves to spend the winter while hibernating. by SunCloud-777