gistfile1.sql

SELECT row_to_json(fc) FROM (
SELECT ST_AsGeoJSON(ST_Transform(ST_Intersection(lg.geometry, bbox.geom), 4326))::json As geometry, (
SELECT row_to_json(t) FROM (
SELECT "name","type","area","z_order") t ) As properties FROM osm_landusages As lg, (
SELECT ST_Transform(ST_MakeEnvelope(-2.8125,38.82259097617711,25.312499999999986,57.326521225217064, 4326),3857)
  as geom) as bbox
WHERE ST_Intersects(lg.geometry, bbox.geom)
AND (area > 200000000) ) fc;