Optional home-location fields shared by every Trip shape (location-context).
A trip may be pure travel (flight/cruise), a bare location (place_name and/or
coordinates, no travel), or travel biased toward a location. place_name
grounds the discovery text query; coordinates bias discovery toward an area.
Optional home-location fields shared by every Trip shape (location-context). A trip may be pure travel (flight/cruise), a bare location (place_name and/or coordinates, no travel), or travel biased toward a location.
place_namegrounds the discovery text query; coordinates bias discovery toward an area.