In relatively affluent areas, shacks are often used for storage or have been abandoned.
A shack is a type of small, often primitive shelter or dwelling.
It is possible that up to a billion people worldwide live in shacks. Fire is a significant hazard in tight-knit shack settlements. Shack settlements are also sometimes known as slums or shanty towns.
In Australian Englishshack can also refer to a small holiday house with limited conveniences, for instance it may not have running water or electricity.