character: Emperor Qin Shi Huang
topic: Construction techniques of the Great Wall
grade: 6
subject: Social Studies
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character: Ancient Chinese Laborers
topic: Materials used in Great Wall construction
grade: 6
subject: Social Studies
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character: Architects of the Ming Dynasty
topic: Methods of building the Great Wall
grade: 6
subject: Social Studies
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character: Historian Sima Qian
topic: History and significance of the Great Wall construction
grade: 6
subject: Social Studies
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