Just a random thought.

Ok hear me out, In the Far-Far future. Wjere humans have grown exponentially taller with many other physical evolutions such as big head etc. And they have achieved so much scientific milestones. That time travel becomes a reality. But strictly regulated by "Future Governments", so that no one can simply travel and alter the past. But the Government also created something of a "Time-Travel Tour Bus thingy" aka UFO wherein People(mostly upper strata) would've to pay certain amount to go and se...