About this item
Follow technological advances through 2,000 years as the Great Wall stretched across China, from rammed-earth ramparts to soaring brick-and-stone guard towers perched on the edge of mountains.
Follow technological advances through 2,000 years as the Great Wall stretched across China, from rammed-earth ramparts to soaring brick-and-stone guard towers perched on the edge of mountains.
rating | frequency | % | # |
---|---|---|---|
5 |
|
18% | 128 |
4 |
|
44% | 309 |
3 |
|
29% | 208 |
2 |
|
5% | 39 |
1 |
|
1% | 11 |