{"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":50,"w":150,"n":55,"e":155},"res":0.01,"W":500,"H":500,"n":8,"cells":"eNrt0CEBAAAIxMBvQP+WRCAECMSdn1kCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHCidnk7CDw2HWoBAA=="}