def location_on_land(self, coords_only=False):
        """Returns a random tuple specifying a coordinate set guaranteed to exist on land.
        Format is `(latitude, longitude, place name, two-letter country code, timezone)`
        Pass `coords_only` to return coordinates without metadata.
        """
        place = self.random_element(self.land_coords)
        return (place[0], place[1]) if coords_only else place