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  "attribution": "Mapzen; SRTM/GMTED2010 terrain data courtesy of the U.S. Geological Survey",
  "modifications": "bilinear resampling; gridSpacingMeters records sampling, not source accuracy; display scaling recorded in city metadata",
  "center": [
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  "sourceSizeKm": 44,
  "renderBoundsWorld": [
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  "terrain": "Independent 78.57m sampled DEM, Gaussian 0.85, 2.8x relief, approx 94m bank feather. Not bare-earth lidar or surveyed source accuracy.",
  "urban": "Mapped residential land cover only, not individual building reconstruction.",
  "landmarks": "Yongquan Temple at mapped building footprint. Enlarged stepped halls, courtyards and upturned roof silhouette; not a measured reconstruction of every hall.",
  "sources": [
    "https://www.fuzhou.gov.cn/zgfzzt/zjrc/zrdl/200509/t20050909_127674.htm",
    "https://zygh.fuzhou.gov.cn/zwgk/ghjh/tdlyztgh/201508/t20150805_2921350.htm",
    "https://www.fuzhou.gov.cn/zgfzzt/shbj/xxgk/spgs/202405/P020240513547916880336.pdf",
    "https://www.fzja.gov.cn/xjwz/qzfc/jaly_48880/jqjj/201907/t20190725_2994015.htm"
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}