3-6 ┊ 2854 words ┊ ◄))
3-6, 2854 words, 23 minutes audio time.
This title explores and explains how the Great Wall of China was built. The wall’s construction is described in terms of the engineering process. The book explores why the wall was built and describes the design stages and technologies used during construction. The book also describes the challenges builders faced while building the wall.
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