public static function upload($fileRoute, $options = NULL) {
    // Check if there are any options passed.
    if (is_null($options)) {
      $options = Image::$defaultUploadOptions;
    } else {
      $options = array_merge(Image::$defaultUploadOptions, $options);
    }

    // Upload image.
    return DiskManagement::upload($fileRoute, $options);
  }