The TUI Musement link is embedded below via an iframe.
The same link is available on https://move.quadra-testen.de/site/tickets_und_events/  behind the “Jetzt den perfekten Ausflug finden” button.
Instead of the button, we would like to embed the link as an iframe. However, browsers do not allow this. It is likely because the link has been blocked for iframes by the owner.

Firefox cannot open this embedded page

For your protection, experiences.tui.com does not allow Firefox to display this page when it is embedded in another page. To view the page, it must be opened in a new tab.