Geomermaids parquetry — S3-compatible read-only API

Bucket:   parquetry
Endpoint: https://s3.geomermaids.com

Setup (DuckDB):
  INSTALL httpfs; LOAD httpfs;
  SET s3_endpoint='s3.geomermaids.com';
  SET s3_url_style='path';
  SET s3_use_ssl=true;
  SET s3_access_key_id='';
  SET s3_secret_access_key='';

Datasets, one prefix each (browse them at https://parquetry.geomermaids.com/):
  osm/            OpenStreetMap, North America, nightly. Partitioned; glob it:
    SELECT count(*) FROM read_parquet(
      's3://parquetry/osm/latest/country=*/state=*/aeroways.parquet');
  gaul/           FAO GAUL 2024, global admin units. Per level, one whole-world
                  file (L2.parquet, 490 MB) and one file per country to glob:
    SELECT country, count(*) FROM read_parquet(
      's3://parquetry/gaul/2024/country=*/L2.parquet', hive_partitioning = true)
    GROUP BY 1;
  clc/            Corine Land Cover 2018, Europe. One Europe file
                  (clc_2018.parquet) and one file per country to glob:
    SELECT country, count(*) FROM read_parquet(
      's3://parquetry/clc/2018/country=*/clc_2018.parquet')
    GROUP BY 1;
  nfhl/           FEMA National Flood Hazard Layer, flood hazard areas, updated
                  daily. One file per county delivery, indexed by counties.parquet:
    SELECT state, risk, count(*) FROM read_parquet(
      's3://parquetry/nfhl/latest/state=*/*.parquet')
    GROUP BY ALL;

Every https://parquetry.geomermaids.com/<key> is s3://parquetry/<key> here.
Fast browser-friendly downloads: https://parquetry.geomermaids.com/