They don't need to share lens sizes, image dimensions or resolutions. You can even mix in still pictures. You just do it all with your video editing software to make smooth transitions and adjust views.
I finally found some time to edit a short reel with my favorite Red Bull X-Alps drone shots - a fine mix of landscape and action shots, trying to give you a sense of what we as content creators and the athletes got to experience during this...
Swimming in History: Ancient Epidaurus
More information and photographic material can be found on the channel's website.
On YouTube you will see the video with English subtitles.