A roof, a door, some windows, a floor. All houses have them, but not all houses are alike. Some have wings (airplane homes), some have wheels (Romany vardoes), some float; some are made of straw, some of snow and ice. Some are enormous, some are tiny; some are permanent and some are temporary. But all are home. Take Shelter explores the ways people live all over the world and beyond--from the Arctic to the Antarctic, from...