private function syncAdditionalImages($sourceWikiId, $sourceWikiLang, $deletedImages)
{
$wikiData = $this->model->getWikiData($sourceWikiId, $sourceWikiLang, $this->helper);
$data = $this->getWikiCityImages($wikiData['images'], $deletedImages);
if (isset($data['city_images'])) {
$data['city_images'] = json_encode($data['city_images']);
}
return $data;
}