external["population"] (int): population from WorldPop.
driving_positions (list[LanePosition]): Connection points to driving lanes.
walking_positions (list[LanePosition]): Connection points to pedestrian lanes.
driving_gates (list[XYPosition]): Position on the AOI boundary corresponding to the connection point to driving lanes.
walking_gates (list[XYPosition]): Position on the AOI boundary corresponding to the connection point to pedestrian lanes.
land_use (Optional[int]): Landuse type (5: Commercial land | 6: Industrial, mining and warehousing land | 7: Residential land | 8: Public management and public service land | 10: Transportation land | 12: Others).
poi_ids (list[int]): Contained POI IDs.
shapely_xy (shapely.geometry.Polygon): Shape of polygon (in xy coordinates).
shapely_lnglat (shapely.geometry.Polygon): Shape of polygon (in latitude and longitude).