{
  "schema_version": 1,
  "artefacts": [
    {
      "name": "sun",
      "category": "celestial",
      "path": "sky/sun.png",
      "natural_zone": "sky",
      "natural_size_pct": 0.16,
      "anchor": "center",
      "license": "CC0",
      "tags": ["sky", "weather", "day"]
    },
    {
      "name": "moon",
      "category": "celestial",
      "path": "sky/moon.png",
      "natural_zone": "sky",
      "natural_size_pct": 0.16,
      "anchor": "center",
      "license": "CC0",
      "tags": ["sky", "weather", "night"]
    },
    {
      "name": "cloud",
      "category": "weather",
      "path": "sky/cloud.png",
      "natural_zone": "sky",
      "natural_size_pct": 0.22,
      "anchor": "center",
      "license": "CC0",
      "tags": ["sky", "weather"]
    },
    {
      "name": "oak",
      "category": "tree",
      "path": "trees/oak.png",
      "natural_zone": "middle_plan",
      "natural_size_pct": 0.38,
      "anchor": "bottom_center",
      "license": "CC0",
      "tags": ["nature", "vegetation"]
    },
    {
      "name": "pine",
      "category": "tree",
      "path": "trees/pine.png",
      "natural_zone": "middle_plan",
      "natural_size_pct": 0.35,
      "anchor": "bottom_center",
      "license": "CC0",
      "tags": ["nature", "vegetation", "conifer"]
    },
    {
      "name": "cottage",
      "category": "building",
      "path": "houses/cottage.png",
      "natural_zone": "close_plan",
      "natural_size_pct": 0.42,
      "anchor": "bottom_center",
      "license": "CC0",
      "tags": ["architecture", "rural"]
    }
  ]
}
