https://extensions.joomla.org/extension/structure-a-navigation/site-map/schuweb-sitemap-ignite-gallery/
SchuWeb Sitemap Ignite Gallery, by Sven Schultschik - Joomla Extension Directory
This is the Ignite Gallery integration for the SchuWeb Sitemap extension, which generates sitemaps for your Joomla! website.
ignite galleryjoomla extensionsitemapsvendirectory