public static function loadAll()
    {
        global $taxonomies_infos;
        
        // Classes
        $subclasses = self::getSubclasses();
        foreach ($subclasses as $class) {
            $instance = new $class;
            $taxonomies_infos = array_merge(
                $taxonomies_infos,
                $instance->getTaxonomiesInfo()
            );
            
            self::load($class);
        }
    }