Prehistoric Britain

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Across
  1. 4. period when people began to practice farming and animal herding
  2. 5. people who brought to Britain the skill of refining metal
  3. 7. earth mounds beneath which people were buried
  4. 8. time when a large part of the planet was covered with ice
Down
  1. 1. period when Britain separated from the continent
  2. 2. famous prehistoric site in England, a circular enclosure used for astronomical and religious purposes
  3. 3. in the Paleolithic period, according to their main activities, people were classified as...
  4. 6. land bridge that used to join Britain with the rest of the European continent