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MAGIC WORLD

The big world of elevators

作者:teens
Aa
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小电梯,大世界

About 4,000 years ago, ancient Egyptians (古埃及人) built big pyramids. The biggest pyramid is 139 meters high. Workers moved heavy bricks to its top. There were passages (通道) around the pyramid. Thousands of workers took big bricks by hand through passages to the top.
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