I have recently discovered 360-degree dual fish-eye cameras and took one on a recent trip to Europe.
This technology allows the viewer to interact with the image using specific web hosting applications. It is really quite immersive and can be used for still images as well as video.
This is a series of images of the Cologne Cathedral from the trip.
Admin/Igor - please delete if not allowed.
Regards
Mark
https://tour.panoee.net/Cologne_Cathedral