{
  "@context": "https://schema.org",
  "@type": "TechArticle",
  "@id": "https://anchorfact.org/kb/kb-2026-00459",
  "headline": "Great Wall of China",
  "description": "The Great Wall of China is a series of fortifications built across northern China from the 7th century BCE through the Ming Dynasty (1368-1644). Total length: 21,196 km (with all branches). Purpose: defense against nomadic invasions from the north. Contrary to myth, it is NOT visible from the Moon with the naked eye.",
  "dateCreated": "2026-05-22T14:59:47.812Z",
  "dateModified": "2026-05-22T14:59:47.812Z",
  "author": {
    "@type": "Organization",
    "name": "AnchorFact"
  },
  "publisher": {
    "@type": "Organization",
    "name": "AnchorFact",
    "url": "https://anchorfact.org"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "anchorfact:confidence": "high",
  "anchorfact:generationMethod": "ai_assisted",
  "citation": []
}