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Sources

Every fact on this site is checked against a cached excerpt from one of the pages below. The wording on those pages is theirs. This site is not affiliated with, or endorsed by, any of them.

• UNESCO World Heritage Centre, official short description of The Great Wall (list 438)

  Checked 15 November 2026. Local excerpt held for verification.

• UNESCO World Heritage Centre, Statement of Outstanding Universal Value for The Great Wall (list 438); checked 15 November 2026

  Checked 15 November 2026. Local excerpt held for verification.

• UNESCO World Heritage Centre, Periodic Report, Section II, The Great Wall (document 164551), length figures

  Checked 15 November 2026. Local excerpt held for verification.

• NASA, “China’s Wall Less Great in View from Space” (feature dated 9 May 2005; historical copy checked 15 November 2026)

  Checked 15 November 2026. Local excerpt held for verification.

• BBC News, “China’s Great Wall is ‘longer than previously thought’” (6 June 2012), reporting a State Administration of Cultural Heritage survey via Xinhua

  Checked 15 November 2026. Local excerpt held for verification.

• Encyclopaedia Britannica, Great Wall of China (editors’ main article, including the “Top Questions” answers on the same page; checked 15 November 2026)

  Checked 15 November 2026. Local excerpt held for verification.