{"generated":"2026-10-19","source":"OpenStreetMap land polygons (osmdata.openstreetmap.de land-polygons-split-4326, from natural=coastline), ODbL","licence":"ODbL 1.0","attribution":"© OpenStreetMap contributors, Open Database License (openstreetmap.org/copyright). Derived database: docs/launch/odbl/.","block":{"s":40,"w":115,"n":45,"e":120},"res":0.01,"W":500,"H":500,"n":249952,"cells":"eNrtz0ENACAQA8FzgGWkIgEBhENEXyQz/03TbgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4B83qs+I8hnVOxq/FY2v7Hk9JjKZhg=="}