Some sests with duckdb spatial extension
See https://duckdb.org/2023/04/28/spatial.html & https://observablehq.com/framework/lib/duckdb & https://duckdb.org/docs/extensions/spatial/overview & https://observablehq.observablehq.cloud/pangea/duckdb/spatial
The spatial extension configured in observablehq.config.js.
SELECT * FROM st_drivers();
geometries
stats
join