Hello. Wikivoyage policy is that banner images are to be hosted locally, not on Commons. Accordingly, I have removed the delete tags that you've placed on the various images. -- AndreCarrotflower (talk) 02:55, 19 March 2020 (UTC)Reply
This website uses the Wikivoyage API to get and display all the information you see. This is the MediaWiki API, which is a general API for accessing data from Wikimedia projects. You can find information about it here: MediaWiki API.
