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In 1958 some scientists started to dig at one place in Turkey. They found buildings over 8,000 years old! The scientists found seeds, bones, bowls and pieces of wool. These told them that the people were farmers. They made their clothes from wool and animal skins. They built their houses from mud bricks and they painted the walls. There were no doors or windows; people climbed down through a hole in the roof.
There were no floors in their houses.
There were no roofs or windows in their houses.
There were doors and windows in their houses.
There were no doors or windows in their houses.