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Beskrivelse
What can the rocks in old stone walls tell us about how the earth's crust was shaped, melted by volcanoes, carved by glaciers, and worn by weather? And what can they tell us about earlier people on the land and the first settlers? As Adam and his grandfather work together to repair the family farm's old stone walls, Adam learns how fascinating geology can be, and how the everyday landscape provides intriguing clues to the past.
