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Who Was the First Emperor of China?
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How Long Is the Great Wall of China?
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Why Do We Have Different Time Zones?
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What Is Terracotta?
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Why Do People Wear Ties?
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What Happened at the Stonewall Inn?
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What Are Shadow Puppets?
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How Did D.B. Cooper Escape?
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What Are Hex Color Codes?
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How Many Blocks Make an Igloo?