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When the Ice Age had passed, Europe remained very cold, at least in winter, and so the people of the Old Stone Age had to find some warm and dry 1_______ to shelter from bad weather. They chose caves, dwelling places that storm and cold could not destroy. On the 2_______ of their caves ancient people painted pictures. Such decorated caves are found in Europe, Asia and Africa.
When man began 3_______ a home for himself, caves were imitated in stone structures, trees were taken as a model for huts built of branches, skins were raised on poles and formed tents.
Primitive stone structures, huts and tents are the earliest types of human dwellings, they are lost in the prehistoric past but serve as prototypes for 4_______ of later historic times.