Hilton's bizarre 1967 plan for a space hotel
https://edition.cnn.com/travel/article/hilton-hotel-on-moon-scn-cmd/index.html
Commercial use of space has not yet been developed as advancedly as people imagined more than 50 years ago.
One of the reasons would be expensive cost for launching rockets. Unless the cost becomes as cheap as ordinary people can pay, it must be difficult to realize its imagination.
