What if there was an EARTH METRO RAIL?

I recently came across this image and it looked like a fantasy....But is it REALLY that far off from being true?

English

Originally Aired August 1, 2017
Runtime 10 minutes
Special Position Airs before season 2017, episode 48
Network YouTube
Created August 4, 2017 by
Administrator admin
Modified August 4, 2017 by
Administrator admin