def get_link_to_gmaps(lat, lon, label='', zoom=15):
    """Return link to gmaps map centered in lat, lon."""
    return ('https://maps.google.com/maps?ll=%(lat)s,%(lon)s'
            '&q=%(label)s@%(lat)s,%(lon)s&zoom=%(zoom)s' % {'lat': lat,
                                                            'lon': lon,
                                                            'label': label,
                                                            'zoom': zoom})