{
  "slug": "why-the-elevator-enabled-tall-buildings",
  "version": 1,
  "layout": "comparison",
  "nodes": [
    {
      "id": "n1",
      "type": "zone",
      "label": "3-Storey Limit",
      "x": 58,
      "y": 90,
      "w": 155,
      "h": 155,
      "detail": "walk-up only"
    },
    {
      "id": "n2",
      "type": "divider",
      "label": "Safety Lift",
      "x": 273,
      "y": 110,
      "w": 24,
      "h": 140
    },
    {
      "id": "n3",
      "type": "elevator",
      "label": "Upper Floors",
      "x": 330,
      "y": 100,
      "w": 155,
      "h": 155,
      "detail": "now valuable"
    },
    {
      "id": "n4",
      "type": "coin",
      "label": "Floor Premium",
      "x": 340,
      "y": 279,
      "w": 78,
      "h": 78,
      "detail": "rents rise"
    }
  ],
  "relationships": [
    {
      "from": "n1",
      "to": "n2",
      "label": "extended by"
    },
    {
      "from": "n2",
      "to": "n3",
      "label": "unlocks"
    },
    {
      "from": "n3",
      "to": "n4",
      "label": "generates"
    }
  ],
  "summary": "A cable and safety brake lift the limit from walk-up floors to unlimited height; upper floors gain value.",
  "mechanism": "vertical-access-unlocks-value",
  "fig": "FIG. / THE CABLE THAT MADE UPPER FLOORS VALUABLE",
  "animation": {
    "style": "reveal",
    "duration": 600,
    "stagger": 60
  },
  "presentation": {
    "style": "vignette",
    "hero": "n3",
    "support": [
      "n4"
    ],
    "icon": "elevator",
    "label": "Upper Floors",
    "tilt": 0
  },
  "illustration": {
    "concept": "Multi-floor building cross-section with elevator shaft on right; car with passenger moving upward past four floors of occupants",
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