In mountain areas, workers quarried stone to build the Great Wall. Using the mountains themselves as footings, the outer layer of the Great Wall was built with stone blocks (and bricks), and filled with uncut stone and anything else available (like earth and dead workers).
In mountain areas, workers quarried stone to build the Great Wall. Using the mountains themselves as footings, the outer layer of the Great Wall was built with stone blocks (and bricks), and filled with uncut stone and anything else available (like earth and dead workers)
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Answer:
In mountain areas, workers quarried stone to build the Great Wall. Using the mountains themselves as footings, the outer layer of the Great Wall was built with stone blocks (and bricks), and filled with uncut stone and anything else available (like earth and dead workers).
Answer:
In mountain areas, workers quarried stone to build the Great Wall. Using the mountains themselves as footings, the outer layer of the Great Wall was built with stone blocks (and bricks), and filled with uncut stone and anything else available (like earth and dead workers)
Explanation: