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Most of the time of a modern man is spent within the walls of some building. Houses are built for dwelling; large buildings are constructed for industrial purposes; theatres, museums, public and scientific institutions are built for cultural activities of the people. The purposes of modern buildings differ widely, but all of them originate from the efforts of primitive men to protect themselves from stormy weather, wild animals and human enemies. Protection was looked for everywhere. In prehistoric times men looked for protection under the branches of trees, some covered themselves with skins of animals to protect themselves from cold and rain; others settled in caves.
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Most of the time of a modern man is spent …
under the branches of trees
in caves
everywhere
within the walls of some building
