character: Machu Picchu
topic: Significance of Stone Construction in Incan Architecture
grade: 10
subject: History
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character: Inca Civilization
topic: Engineering Techniques and Stone Masonry
grade: 10
subject: History
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character: Machu Picchu
topic: Cultural Importance and Symbolism of Stone Structures
grade: 10
subject: History
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character: Archaeology
topic: Discovery and Preservation of Machu Picchu's Stone Construction
grade: 10
subject: History
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