Natural Earth 1:110m land; public domain. Equirectangular projection.
https://www.naturalearthdata.com/about/terms-of-use/
https://github.com/nvkelso/natural-earth-vector/blob/master/geojson/ne_110m_land.geojson
Retrieved via jsDelivr CDN on 2026-10-14. Local land polygons; no external tile requests.