Correction for the length of The Great Wall of China (total)
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How long is 129,000 kilometers?
It's about fourteen-and-a-half times as long as The Great Wall of China (total)
The length of The Great Wall of China (total) is about 8,850 kilometers.
(长城, 長城, Chángchéng, a.k.a. 万里长城, 萬里長城, Wànlǐ Chángchéng) (a.k.a. "The long wall of 10,000 Li") (from Shanhaiguan through Lop Nur, China) (total length, all branches)
The Great Wall of China, including all branches and trenches, is 8,850 km. Built and maintained in multiple sections over about eleven centuries, the Great Wall is currently suffering the effects of erosion, especially in the older sections made primarily out of mud.