{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreidfv3wtkwxou5oza6mowxoanfkzgl3m4wc7xfggjy2umop7eyuedy",
    "uri": "at://did:plc:q27hltg3oatmy4g7oio4vbc3/app.bsky.feed.post/3ml3oepphjoj2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreihv4doj375epggr3ouvd44umwfb2tv3ifvwbzhrjccmortnhcc3ee"
    },
    "mimeType": "image/png",
    "size": 2177709
  },
  "path": "/archaeology/mysterious-green-rocks-in-pyrenees-cave-hint-that-prehistoric-people-were-working-copper-there-for-4-000-years",
  "publishedAt": "2026-05-05T04:05:00.000Z",
  "site": "https://www.livescience.com",
  "tags": [
    "Archaeology"
  ],
  "textContent": "Dozens of pieces of bright-green rock discovered in a cave in the Pyrenees may be evidence of copper smelting 7,000 years ago.",
  "title": "Mysterious green rocks in Pyrenees cave hint that prehistoric people were working copper there for 4,000 years"
}